It's been quite a while since I've sat down and written anything on my blog, and I'm sure many of my readers had given up on me. I am still here, I'm still puzzling, and still making more new puzzles, so nothing has really changed. Life sometimes just gets busy, and the time to sit down and write something worthy of reading is the thing that slips through the cracks first. That said, today I'm looking at the newest puzzle to come from Revomaze, which they kindly sent me a copy to review for you. This is the Copper V1 puzzle.
The newer puzzles coming from Revo HQ are showing up in these nice new boxes, which give the puzzle a little extra padding during transit, and leave you with a good looking box to keep the puzzle in when you're not solving it or displaying it somewhere else. There's still a little work needs to be done on the box to prevent the core from taking a knock during transit but this is a good step forward from the old fish net and plastic bag wrapping we had seen. Much more fitting of a puzzle in this price range, and quality.
As with all the Revo puzzles I've had in the past, the initial look and feel is great. These are still high quality puzzles, made with an attention to detail. The Copper, like it's predecessors weighs in around the 600g mark and certainly put a strain on my hands again.
It had been over a year since I'd worked on a Revo R1, and the familiar sore hands and fingers were back. It's recommended to work on the puzzle in short sessions, and I can't agree more. If you've not played with one for a while, your hands are going to thank you for taking a break. Fortunately there are convenient spots in the puzzle where you can put it down and not lose progress.
The Copper is a move back to the original static maze style, such as the Blue and Green puzzles, which I and many other puzzlers really enjoyed. There's no moving sliders, or free floating ball bearings in this puzzle to confuse and confound you. Just a traditional maze, with Chris' own devilish traps and pitfalls to navigate. That said it's not all old and familiar stuff in here. There's been a couple of modifications to the pin that are going to catch the unwary puzzler, so be warned, this isn't simple by any measure.
As a regular reader you'll know I own (almost) all the available Revomaze puzzles, and have successfully opened all of them with varying solve times from a few months to a few days. They're all challenging puzzles, and all for different reasons. I enjoy the puzzles that either make me think or are just enjoyable to solve. Bronze still ranks as my favourite in the series, with Blue being a close second. The reason for those choices comes down to two things. Bronze was a significant challenge to understand the dynamic features, but wasn't so difficult to be frustrating. Blue is just a really fun puzzle. While initially difficult to understand what was going on, once you understood the principles of the puzzle, it was both repeatable, and enjoyable to solve. Now add to that the Revo Mini which is a tiny scaled version of the blue maze, and there's a lot of positives from those two designs.
The Copper claims to "Triple the fun", and I'll agree to some extent with that statement. The internals are unlike any of the static mazes to have come before, and there's certainly more in there. As far as the fun, the initial part of the puzzle contains one of my least favourite features in a hidden maze puzzle. The dreaded bridge.
Much like the Green, the bridge frustrated me more than provided fun, and Copper has that same frustration level for me. Don't take that as a negative on the puzzle as a whole, just that it's not one of my favourite challenges. The dexterity sections can be overly difficult and if you fail near the end, restarting can be quite off-putting. That said, the satisfaction when you complete it is certainly well earned.
Given that Chris now has many of the machines in house, personalised engraving is possible as you can see from the serial number on my puzzle. I certainly didn't request this, and it was great to have this reveal as I started working on the puzzle.
One thing of note, at least for me is the strength of the spring in the copy I have. I'm not sure if this is across the board or not, but I feel that the movement of the puzzle is quite "stiff". The power of the spring along with the modifications to the pin made the navigation more challenging than I remember. There's a lot packed into this puzzle, and with sore fingers I found it quite the task to keep making progress in a single session. Taking regular breaks is the only way to get through this one. I don't think we'll see anyone doing speed runs to get the fasted solve time in the near future. I think most will be happy to solve the puzzle, and see the work that went into the core when they're done.
If you're on the fence about getting a Copper, and want a serious challenge, without the worry of ball bearings running awry, or dynamic devices to confound, then go ahead and pick one up. There's a lot to like about this puzzle.
Hi all, it's been a good few weeks since I sat down and wrote anything, but then after a fantastic three and a half weeks touring the UK, catching up with friends and family; a wonderful long weekend with the MPP crowd soaking up the fantastic hospitality of the amazingly humble and welcoming Walker household; a week of IPP and many puzzle friends old and new, all mixed in with my one year delayed Honeymoon, it's good to be back, and probably about time I put a pen to paper, or finger to keyboard.
There's a good few puzzle bloggers out there who are writing about IPP, and all the fabulous conversations and events that took place over the week, so I'm not going to give you my account of what happened. But I do suggest you go read Allard's Assessment, Rox's Ramblings, and Jerry's Journey. They're all well worth reading, and will give you a good feeling for what a fantastic time was had by all. I've said it before and I'll no doubt say it again, the people in the puzzle community are an amazing group, and I'm proud and humbled to know each and every one of you, and to be able to call so many friends. Thank you.
I will give one special mention to Allard and his wife Gillian (as well as their two dogs, Ben and Jerry) for welcoming my wife and I into their home, putting us up for 4 days, feeding us, making us so welcome and at home, and not accepting a single penny in thanks. You truly are great friends, and I can't wait to return the favour at some point. Fortunately no harm came of the dogs who decided to eat some of my green packing peanuts while we were all out. The only casualty with Allard's lap when one of them decided to throw up on him. (Sorry!)
Anyway, I do want to mention one great experience from my IPP. While there Dr Colin Wright was wandering around talking to people and showing us some interesting little tricks. Colin is a Juggler, magician and specialises in Communication. I spent quite a bit of time talking to him, given that I juggle, have done my share of magic over the years, and with all this writing that I do, I have to accept that I have something to do with communication as well. (Ed: So hurry up and get to the point!)
Colin was wandering around with a length of chain around his neck, attached to it there was a steel ring. At one point as I was wandering around talking to the myriad of puzzlers Colin had a group around him, and he was doing something interesting with said ring and "string".
As you can see, being the curious chap that I am, I wandered over and listened in to what he was saying. Before I knew it, he's turned to me, and I have the apparatus around my hand, and with a huge grin have been shown how the magic happens, and have now done it for myself. Yes, I really did have a huge grin on my face, as Colin explained what was happening, and that he had analyzed the behaviour to work out exactly how things worked, and perfected the one-handed technique. A few other people commented that they'd seen it before, and even done this before but using other grips, two hands or even a table. (Ed: But what was it ... get to the point already!)
Well when I got back from IPP, I went to the local hardware store, picked up a couple of rings, some chain and made my own copy, and one for my son. I knew he would like it, and for a couple of dollars, it's a great toy to have. Anyway, the picture above surfaced on Facebook, and I was tagged. A few comments from confused readers later, and I find myself making a video showing what we were doing. (Ed: But you've still not told us what that was.)
Rather that try to explain, I'll just leave you with the video below. I am fortunate enough to have a high-speed camera now, so I took some footage at high speed showing what happens, and put that in the video. I don't show how to do this, but it's fantastic to see what's happening.
Now, I took this to work with me to show a couple of my colleagues as I knew they would appreciate it. What happened though was entirely unexpected. Rather than asking how to do it, I was relieved of the pieces, and the team started trying to work out how to do it themselves. (I'm and engineer, and this has become a problem to be solved). For me this was fantastic. I've now seen about 4 different ways that can reproduce the result, none as elegant as what Colin showed me, and none that are nearly as reliable.
So here's a challenge. Go get yourself a solid ring, a length of chain and try this for yourself. I'd love to see how you get on in the comments!
Until next time, when I'll be back to puzzles, enjoy the video.
It's been a while since I reviewed any of the Hanayama puzzles, and I have quite a few to get through, including a few of the newer puzzles. The Cast O'Gear though is one from my early puzzling that I remember solving having been given a copy by my Dad. Designed by Oskar van Deventer, and originally named Sunflower, this was entered into the IPP Design competition back in 2001 where it received an honorable mention. In 2002, Hanayama produced this version under the name Cast O'Gear.
The antiqued Bronze look of the puzzle seems to have people divided about its appearance. I personally like it. It's a fairly average size for a Hanayama puzzle, measuring in at 3" at its widest, by 3.5" tall and 1.5" deep it's a solid puzzle although not too heavy for its size. The goal is to separate the two pieces by following the step maze to the exit.
In its starting position above, there are a number of key features that help with solving the puzzle. The small triangle on one face gives both direction and orientation information about the cube. and the indents on the 'gear' allow for orientation of the gear relative to the faces of the cube. One additional piece of information not visible in the photograph, is the arm which is inside the cube has a hole in it, giving the ability to create a visual reference for each arm.
The exit to the puzzle is on the opposite face of the cube, and the cutaway on one of the arms can pass through a corresponding groove in the face of the cube, when it has been aligned correctly. There are 120 possible states that the puzzle can be in based on which arm is inside the cube, the orientation of the gear, and which of the six faces the gear arm is inside. To make things a little harder, it's not possible to transition from all faces to all other faces. The cube is designed with a number of beveled edges to allow the gear to rotate, as well as a couple of sharp edges which prevent the gear from rotating. So often you think you're on the way to the exit, and find the path blocked by a sharp corner.
Each face also has a curved cutout in the central cross, which allows the gear piece to be rotated by 90 degrees. You can only move in one particular orientation though, governed by where the cutout is, so again you find that you may want to rotate the gear in one direction, however find that path blocked.
With some logical thinking and planning, this shouldn't be too tough a puzzle, however it's easy enough to get lost and go round in circles, trying, and re-trying the same paths, and making little progress. It had been a long number of years since I had solved this puzzle last, and it was certainly no walk in the park. I spent a good half hour just fiddling before realising why certain moves were blocked (must have been having a slow day) and then setting about to find the correct path to the exit. By checking the orientation that the gear needed to be in to allow it to be removed from the cube, then working back through the possible rotations and moves between faces, the path was easy enough to navigate, despite needing some paper and pencil to plot the moves in reverse then execute them.
There are a minimum of 16 moves needed from the starting position to separate the two pieces (if my counting is correct), however as with any maze, you may end up taking far more moves by the time you take into account the dead ends and back tracking that is likely to end up in the solution path.
There are lots of puzzle shops where you can buy your own copy, and it's available on Puzzle Master as you might expect. If you don't have a copy, I highly recommend it, as it's a great fiddle toy, that you can spend a lot of time just moving the gear around the cube, and not really trying to solve the puzzle.
Back in October last year, I came across a kickstarter project for Krusen CNC offering up some interesting new options on the Magic Billet Box that Oli Reviewed years ago. I'd been on the lookout for one of these, however any time I went to the shop, they were unavailable. This seemed like a good way to finally get one of these boxes.
The kickstarter was offering some new options for the anodisation of the aluminium, as well as some new external patterns for the boxes. Sadly the kickstarter didn't reach its goal and was unsuccessful. That said, an offer was made for anyone who had backed the project to get a box of their choosing at the price they had backed the campaign. Seemed like a win-win. So in November, I received the box above with the "Vortex" pattern.
At 2" cubed, and having a fair heft to it, this is a solid little puzzle box. Being made from 7072 Aluminium, otherwise known as "Aircraft grade", it's a very stable metal and is great for machining. Although it's not easy to see, there's a perfect sliding dovetail that form the 'lid' of the puzzle, which thanks to a big magnet has a reassuring snap when it's slid on or off.
Unlike Oli's copy which is in black anodized aluminium, the sliding lid is a little easier to see on my copy. The black hides the seam making it near invisible, where the red makes it stand out a little more. It's not an issue, and certainly doesn't affect the puzzle, but it is worth noting.
Even the internal space in the box is a good size, having 1.75" x 1.75" x 1.5" of usable space inside. Great for storing mints on my desk. And because it's aluminium and not wood, there's no fear of whatever you put inside it staining the box, or becoming contaminated. A truly useful puzzle box.
Sliding the lid off doesn't get you into the hidden space though. Wouldn't be much of a puzzle if that was the case. Instead you're greeted with another lid, recessed into the box, and no apparent way to take it off. The big magnet on the sliding lid may be a hint though.
In the style of box I ordered, simply placing the lid onto the box doesn't open the inner lid, although there is a box offered where the opening mechanism is this simple. For me there's a little extra work required. And if you try to solve this box with it sitting on the table, you'll never open it!
Most of you will have figured out how this works, but I'll not give away it's secrets. Instead, I suggest you go get one of these great little boxes. They're well machined, and the tolerances are spot on to make this a solid box that will last many years, and take a lot of abuse.
Wil Strijbos is a well-known name in the puzzle world, with his metal puzzles being beautifully made, and highly sought after. Not only does he design and sell his own puzzles, but he seems to be able to find rare puzzles which other people, myself included, seem near impossible to find. I have no idea how he comes across some of the items, but all you need to do is to ask. When Wil announced his latest sequential discovery puzzle "The Angel Box" with a fairly long story about its creation, it sounded pretty interesting, and given enough time, one found its way to me.
If you've ordered a puzzle from Wil in the past, you'll know immediately when it arrives, as the package is always completely covered in a layer of brown packing tape. After that, there's various quantities of bubble wrap and newspaper to keep the puzzle safe. The Angel Box takes the packing one step further, and you'll find the puzzle itself wrapped in the very attractive birthday gift style box, complete with bow and gift tag.
As you've probably realised already, this is a big puzzle. At 6.25" x 4.33" x 2.75" and weighing in at a whopping 1.9Kg it's fair to call this heavy metal. Made from some pretty serious aluminium, while the puzzle isn't a solid block, it is solid. I certainly recommend puzzling with this one at the table. Not just due to the potential damage you could do from dropping the puzzle, but also due to the tools that you'll start accumulating as you work through the puzzle. The small peep-hole in the side gives a hint of the goal, to remove the Angel from the box.
Your first challenge is the padlock on the front of the box, and as you'd expect from a puzzle, the small metal tag held in the shackle doesn't contain the code you need to open the lock. That would be far too simple, and if you've read any of my other reviews of Wil's puzzles, you'll know that opening a puzzle for the first time tends not to be simple! At least the plate gives you the clue that the code is 4 digits which should make life a little easier for you.
Before too long, you should have the padlock removed, and be able to make some progress, although it may not seem helpful at first. At this stage, there's not a lot of options to progress, and as with any good sequential discovery puzzle, you'll quickly find a few tools, which in theory should be useful. Finding out what to do with the tools you've found is all part of the fun, and take heed from Wil's own guidelines, that the padlock is not needed to solve the puzzle. Don't be tempted to use parts of it in the solution. He gets very upset if you use the padlock as a tool!
Looking around the puzzle, you'll find a number of small holes scattered about, and figuring out how to use the tools you have, and the correct sequence to use what you'll find as you explore is the key to progress. There's a great sense of achievement as you discover how the mechanism interacts, and finally make the next step toward progress in solving the puzzle. That's lock #2 down.
That done, another tool will almost magically appear, and allow some fairly obvious progress toward opening the box. Lock #3 passed. Then things get interesting, and this is where I lost one of my tools. There's a little flaw in the design of the puzzle, which allows you to lose the tool you need, and potentially prevent part of the mechanism from working correctly. To my mind, it would be a fairly simple issue to fix, but for now, a little care is needed not to lose a key tool. With this part of the puzzle carefully navigated, you'll have lock #4 solved, and the goal should be in sight.
The Angel in the centre of the box is within grasp, but there's a final lock, a cage, keeping her locked away. It shouldn't take you long to get past this final lock and release the Angel. Lock #5 solved.
With the Angel free, you're not quite done. Freeing her heart is the last piece of the puzzle. A small note located with her will leave you with a final set of instructions... but I'll leave it for you to decide whether to call the number or not. Perhaps Google it first!
Overall The Angel Box is a nice puzzle. Far simpler than I had thought it was going to be, and it took me far less time to solve than I had perhaps hoped for a puzzle at this price. Start to finish I had the puzzle open in 10 minutes so it's certainly not a puzzle which will have you stuck for weeks. That said, my solve time may not be representative of the mileage others have had. Now my challenge is whether to display her inside her birthday box, or as the attractive aluminium puzzle that she is outside the box.
If you've read my posts on the Revomaze puzzles, you'll know the first generation of puzzles ended with the release and solving of the Gold Puzzle. There are a few special editions out there, but for me solving the Gold, was the end of the journey on the R1 puzzles. Chris Pitt, has come out with an entirely new design of puzzle, a second generation of Revomaze puzzles, the R2's. The first in the series is Mercury.
This second series is based on the planets in the solar system, and the closest to the Sun, Mercury, is the first to be released. The series has had a difficult birth, with the company trying to raise funds to buy CNC machines to bring all the production in-house, and move away from the reliance on engineering companies to produce the limited run puzzles they wanted. To that end, "Voyager Status" was created. This was an up front payment to guarantee the price of each puzzle in the series (up to 10 puzzles) for early adopters. For that you'd receive a limited edition coin (stored inside the puzzle of course), your puzzle would be part of the initial limited edition run of 100 puzzles and would be engraved with a serial number to set it apart from other general release puzzles to be released later.
So back on the 12th March 2013, I sent Revomaze £50 of my hard-earned cash, and sealed myself a place on the voyage to the R2. At some point over the course of the next 8 months there were a few changes to what Voyager status meant, and a decision was made at Revo HQ to limit the R2 run to only the 100 puzzles from the Voyager sign-up. The result of this decision is that the puzzles would only be made to meet the Voyager demand (100 max) and no more would be produced or sold until the Voyager members have ALL of their puzzles from the entire series. So at this point, if you missed out on Voyager status, expect it to be 3 years before you get your hands on a Mercury, or any other puzzle in the series. Note that this assumes a release schedule of 3 puzzles per year.
Not long after the Voyager announcements, the option was given to the first 20 people who wanted to pay for the puzzle to receive the puzzle ahead of the main batch, and be part of a 'Beta Trial' to allow Chris to sort any issues, and make sure the puzzle worked perfectly. Since I'm always happy to help bringing a new puzzle to life, I agreed to be one of the first batch. On the 1st May 2013, I paid for my puzzle, and began the wait for the R2.
Background covered, I should probably start talking about the puzzle, as I'm sure that's why you're here. I received my puzzle on the 14th February 2014 and eagerly opened the package when I got home from work, to start playing with the new puzzle. My plan was to take it to the California Puzzle Party on the 15th, and let people play with it there. In fact Chris had express shipped the puzzle to me to ensure that I had it for the Puzzle Party. (Note: He'd done the same for a puzzler on the East coast, and also to some of the puzzlers in the Midlands) Before taking it to the party though I wanted to have some time to play and understand the puzzle. Foolishly, I'd hoped that I could open it before the party. I spent 2-3 hours with it on the 14th trying to understand what was going on, and start mapping out the paths inside the new maze. Most of that was just spent getting used to how different this puzzle is to the original series. It's a completely different animal that needs a very different touch to be able to solve it. And yes, I did take my wife out for dinner that night... I'm a romantic at heart.
The puzzle itself is made from a couple of solid blocks of aluminium and measures 4-1/8" in diameter by 1" tall. Including the knob for the draw bar the puzzle is 4-5/8" and weighs in at 800g. Now I'll be honest, despite being heavier than the original R1's, the puzzle feels lighter. Perhaps just the weight being spread over a larger diameter helps.
Unlike the R1 where the pin was in the sleeve, and the maze on the central core (or draw bar if you like) requiring you to twist, push and pull the core to navigate the maze, the R2 is a little different. The pin is attached to the draw bar, and the maze is etched onto the titanium coloured disk which rotates inside the black outer case. To navigate the maze you need to both push and pull the draw bar while simultaneously rotating the disk. This requires a lot more coordination than the original maze, and is a very different experience. Any skills you may have learned from solving an R1, will be of little use to you here.
Despite my best efforts and a very crude map, I certainly didn't solve Mercury before the Saturday puzzle party. One issue which did arise as I played with it was that the silky smooth rotation that the puzzle exhibited on the Friday night, wasn't quite as smooth by the time I arrived at the puzzle party. I wish I'd realised before going as the puzzle was mostly unusable given the amount of friction between the maze plate and the case. We required two hands on the disk to turn it in any direction, and really any chance of playing with the puzzle or solving it were gone.
Talking with Chris, he suggested WD-40 would help. Skeptical as I was, I took the can of WD-40 to the puzzle, giving it a good coating, and spin it did. The friction issues were completely resolved, and it moved better than it had when it arrived. Over the course of the next week, I didn't have a great deal of time to spend with the puzzle, but I dabbled on and off mapping as I could and trying to understand what I was 'seeing'.
Mapping the R2 is a completely different challenge to an R1. With the R1, you can think of unrolling the maze to a flat plane (since effectively that's what it is - wrapped onto a cylinder) but the R2 is already flat, and is circular. Some Polar graph paper may be useful here. Fortunately, the centre of the disk has 24 notches, and the dimples on the outer rim match to 15 degree increments. Handy for reference! I started out with regular graph paper making a very crude attempt with a compass. Let's just say it wasn't elegant, but it worked. A couple of people pointed me to that wonderful invention - the Internet - to download some polar paper, and I transferred things to there.
One thing you'll find in Mercury is that it's full of curves. Actually it's full of circles! Chris claims that the design of the maze is meant to represent the cratered appearance of the planet itself, and I guess I can see that. As I mapped, I found that there was a chunk of the map which I couldn't get to , just a little clockwise of the serial number, and part around 10pm. Now knowing that nothing would be wasted in here, I knew that's where I had to get to, but finding how was proving challenging. The other very concerning aspect I discovered was a trail leading through ~25% of the maze, where everything I had was trap. This was starting to look a lot like a Green. And I hate Green.
After a good few hours trying to find how to get to these new areas, find it I did, and my fears were confirmed. The puzzle becomes a serious dexterity challenge, needing the lightest of touches, and an excellent map. To get there, is a challenging section that I am sure will cause a lot of frustration (it did for me), assuming you can find it. The entrance is very challenging to find, and needs some very careful exploration of the maze.
Given that I have one of the first copies, there's a few issues in the puzzle which Chris is already solving, as quickly as they are identified.
- The Spring is a little light, meaning that it's possible (and even easy) to hug the walls a little tight, and as a result get to parts of the maze through a route which was not intended. That's fixed with a stronger spring in the draw bar.
- There is a slight amount of play in the draw bar, meaning that it can rotate a fraction while you're solving. It's not a problem that affects the maze, and it certainly won't help you, but that will be tightened up in the later releases.
- The last and biggest issue with the early release is that the pin has a fairly rounded profile as you'll see in the photo below. That means that in some areas where there are ledges in the puzzle, the pin won't stay on the ledge, without applying some pressure to the wall. That's being fixed with a different profile for the pin head.
As a result of these issues, a number of people have managed to open the maze very quickly having taken a path which was not intended. I didn't find these shorter paths, and completed the maze as intended. The benefit of having produced this short run is that Chris is learning how the puzzle is used by someone who doesn't know what's going on inside, and by the time these get into general production for the remaining 80 in the run, they will all be perfect. It was a very sensible decision by Chris, and one which I hope he is aware was the best way to launch a new design, and make sure it's exactly the way he intended.
From start to finish it took me around 8.5 hours to open the Mercury, and I'll be honest, it's a challenging puzzle, not for the faint of heart. It's difficult from start to finish, and darn right evil from 50% through to the end. I'd even go so far as to say that the very last few millimeters of the puzzle are Satan incarnate. This is perhaps one of the most challenging static puzzle that Chris has released to date, and to my mind is far too challenging for the first puzzle in the series. Yes, you can argue that it took me less than 10 hours to open it, so it can't be that difficult, considering how long it took me to open Silver from the R1 series, however I go back and re-solve Bronze and Silver. I never go back to Green, and I'm unlikely to want to ever go back and re-solve Mercury.
As a small aside, when the puzzle was opened, I found some small flakes of metal sitting in the case of the puzzle. Presumably from the grinding as a result of the friction between the two large plates of aluminium. It doesn't affect the puzzle, and I certainly don't see any damage to the maze, but clearly there is some wear as a result of using the puzzle.
Who am I?
Other Puzzle related Blogs:
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- Jerry's Small Puzzle Collection
- Magic Puzzles.org
- Oli's Mechanical Puzzle Blog
- Puzzle Mad
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- Puzzling Times
- Scott Elliot's Blog
- Sugar Coated Math
- TheWaddler's Puzzling Blog
Puzzle Creation Tools
- Coffin Puzzle List and information
- Geduldspiele Puzzle Gallery
- Puzzle Place
- Puzzle will be Played.
- Puzzling Makes A Better World
- Rob's Puzzle Page
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- Cubic Dissection
- Oy Sloyd Ab
- P3 Polyhedral Puzzles
- Puzzle Box World
- Puzzle Crafthouse
- Puzzle Master
- Puzzle Vision
- Puzzling Parts Shapeways Shop
- Steve's Puzzle Shop
- Vin&co Puzzles
- Wood Wonders