Tricky exchange puzzle; goal is to balance the oddly shaped piece on the edge of a box or counter or something...maybe a bar? You get the idea. This one will drive you to drink.This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

Akio Kamei's 2013 Christmas present

This is Akio Kamei's 2009 Christmas present

This is a one-off puzzle I made for myself. Very small, yet very precise. It's quite difficult to make accurate puzzles at this scale. Involute is the second iteration of the famous Convolution puzzle. Very tricky and fun to solve.This is a very nice, one of a kind puzzle.This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is...

RELEASED:11.29.2012PRODUCED:40 CopiesDESIGNER:Gregory BenedettiCRAFTSMAN:Eric FullerMATERIAL:Sapele / WengeCOMMENTS:This is the companion puzzle to the much easier "Two Halved Cage 3b". The last one gave an idea of the concept; this one kicks it up several notches!This non-millable six piece burr is surrounded by a cage split into two mirrored halves. Not only must the solver figure out the burr itself, but they must also understand the burr within the constrains of the cage. That alone would be...

RELEASED:5.30.2012PRODUCED:40 CopiesDESIGNER:Jeff NamkungCRAFTSMAN:Eric FullerMATERIAL:Canarywood / Cocobolo - Sapele / EbonyCOMMENTS:This is one of those puzzle designs I almost passed up. A couple customers emailed me, asking if I Would make it. Looked like a normal 4x4 cube to me so I was fairly non-committal. Then several more customers chimed in over the next couple weeks, and I gave it a more serious look. While indeed a simple 4x4 cube (no rotations even!), this design steps up the diffic...

RELEASED:5.27.2013PRODUCED:42 CopiesDESIGNER:Stewart CoffinCRAFTSMAN:Eric FullerMATERIAL:Cocobolo or Ebony, Spalted Wormy Holly or Canarywood, Sapele, AcrylicCOMMENTS:I was browsing through AP-ART when my eye fell on Mr. Coffins design #187 family. I have not made a cool tray puzzle in a while, and this seemed like just the ticket. I also had a nice bunch of ebony and cocobolo that would be perfect for it!.About design #187, Stewart says:"The three puzzles in this category all have a 5×5 square...

This is a six piece burr puzzle with a level 5 solution. Not sure exactly which one. Excellent construction and lots of fun. Ships assembled!This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

A collection of six tray puzzles made by John Devost and all designed by Stewart coffin. I think they ought to stay together. They are:-Quintet in f - #253 - dated Nov. '12Cornucopia - #76 - dated Oct. '06Snowflake - the set of ten trihexes and tetrahexes - dated Sep.'13Christmas 2000 - #182 - dated Sep. '064 Sleazy Pieces - #169-A - dated Sep. '13No name - #176-A - dated Oct. '13

RELEASED:**Description taken from the original Cubic Dissection update**5.27.2013PRODUCED:40 CopiesDESIGNER:Logan KleinwaksCRAFTSMAN:Eric FullerMATERIAL:Walnut and Ash Cages, Holly piecesCOMMENTS:When Logan sent me the first puzzle in this series, the Bookend puzzle, I was very impressed. The concept was interesting, the solution tricky, and of course the finished puzzle displayed very nicely. He then followed it up with three more complimentary designs, each with a unique solution. I ...

not a terribly difficult box, but it is very pretty

Six pieces need to be packed into the box. IPP souvenir by Matti Linkola.

I made Exploda Burr six piece burrs as souvenirs for IPP13 in 1993 for Bill Cutler. Bill's design consists of 6 identical pieces that assemble via coordinate motion into a 6 piece burr with no spaces inside. Several pieces were left behind due to chipped edges from the cutting process. So this burr consists of left over pieces with cosmetic defects that do not affect the puzzles function. The photo included shows the defects, 2 of which are visible in the assembled puzzle.

This is a six piece Altekruse, which is a simple variation on the familiar Altekruse puzzle. They make nice interlocking bases for larger cubes and boxes. Display your puzzles with style!This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

This is a six piece Altekruse, which is a simple variation on the familiar Altekruse puzzle. They make nice interlocking bases for larger cubes and boxes. Display your puzzles with style!This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

This is a six piece burr puzzle with a level 5 solution. Not sure exactly which one. Excellent construction and lots of fun. Ships assembled!This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

A tricky box to open. Displays nicely but build quality is not amazing.**item is used but in excelent condition**Buyer pays shipping costs and the 4% PayPal fee.

RELEASED:12.11.2011PRODUCED:36 CopiesDESIGNER:Tom JollyCRAFTSMAN:Eric FullerMATERIAL:Various Exotic HardwoodsCOMMENTS:Another Jolly design, this is a six piece burr in a three piece burr shape, with hollow internals. Got all that? Very tricky assembly, this burr shares a looping piece set that is not at all intuitive to assemble.Crafted with various exotic hardwoods, the fit is a bit loose due to the unsupported nature of the framework design. That said, it definitely won't be falling apart in y...

RELEASED:11.29.2012PRODUCED:42 CopiesDESIGNER:Stewart CoffinCRAFTSMAN:Eric FullerMATERIAL:PurpleheartCOMMENTS:Designated STC #116, this Coffin puzzle was Allen Rolf's IPP29 exchange contribution. Mr. Coffin himself doesn't seem to have many records of it, stating in his book that he only made a few and had no records of ever selling any copies. I'm not sure how Allen revived the design, but I'm glad he did because this is a very interesting puzzle. Thanks to him for giving me permission to make ...

Quoting Lee's description: "Looking like clusters of six rhombic dodecahedrons, these puzzles are members of the Diagonal Burr family. Assembly is moderately difficult due to the dexterity required to align the two halves of the puzzle just right in order to get all of the pointy tips properly overlapping each other. Disassembly (i.e. "busting" the cluster) can be quite tricky because of the awkward placement of six fingers required to begin pushing the two halves apart. The classic version of ...