from cubicdissection.com:I was showing various puzzles to an IPP attendee when they skipped right over this one. I started to show it to them and they said "Everything interesting that can be done with 4x4 cubes has already been done". I laughed and showed them about half of the solution, at which time they cried "Stop - I'll take it!". This really is a fabulously interesting cube, and Tom really hit the ball out of the park with it. It's just a downright fun puzzle that still puts a smile on my...

Very hard to find puzzle from the mysterious Roger D.Inside is a small ball bearing which you have to attempt to free from its confinement by getting it to come out of the tap.Great puzzle.

3D printed puzzle lock

. . . After making the Stickman Pirates’ Wallet Puzzlebox, I ended up with roughly 8 extra copies of the padlock puzzles that went on them. This is one of the last 3 of these that I have. Although this is not a puzzlebox, it is exceptionally well made, and a most satisfying puzzle to solve - requiring a minimum of 8 steps to take fully apart. . . . If you currently have a Pirate’s Wallet Puzzlebox, then this is identical to the padlock already on your puzzlebox. If not, the...

Pyrra from Design Science Toys, a pyramidal puzzle, with a variety of patterned puzzles to build. Making the pyramid is easy without paying any attention to the patterns. From 1997. A few small dings to some of the pieces. This is NOT an interlocking puzzle; if you tilt it, everything falls apart. Weighs 15 ounces without packing.

. . . After making the Stickman Pirates’ Wallet Puzzlebox, I ended up with roughly 8 extra copies of the padlock puzzles that went on them. This is one of the last 3 of these I have. Although this is not a puzzlebox, it is exceptionally well made, and a most satisfying puzzle to solve - requiring a minimum of 8 steps to take fully apart. . . . If you currently have a Pirate’s Wallet Puzzlebox, then this is identical to the padlock already on your puzzlebox. If not, then thi...

Iwahara's 2012 Karakuri Club Christmas Present. There are 2 compartments. The first is easy to find. The second, not easy at all.

Puzzle lock

One piece, packing...

Loopy cube, beautifully made by Brian Menold in Osage Orange and Wenge, in 2014. Design by Tom Jolly. A fairly normal 4x4x4 cube, with a loop. Only 1 rotation needed. It's shown at http://puzzlewillbeplayed.com/444/LoopyCube/. Weighs 9 ounces without packing.

The object is to remove the coin. Less than 5 Coin Boxes were made in 1994. An original design, not a copy of an existing design. It is designed for a U.S. nickel coin (5 cents). Easy to medium difficulty.

Robert Sandfield's IPP 23 exchange puzzle

Seventh in the Karakuri Creation Group's "Creative Secret Box Series" of 2003. Designed by Hiroshi Iwahara & crafted by Tatuo Miyamoto. Box is in excellent, original unused mint condition. Includes original box and solution card.This is a great 12 move box with 2 secret compartments. Inspired by Ninomiya's 4 move Push Up Box but has 8 additional moves and one additional compartment. A very nice box. Three versions of the box were made, all the same except for their slightly different exte...

Stewart Coffin's Convolution by Mark McCallum

Stewart Coffin's Involute by Mark McCallum

Free the coin from the safe.

Includes original plastic box and info sheet.If the buyer chooses to be invoiced through Paypal, then Paypal fees of 3.98% will be added to the price. Buyer assumes all shipping fees.

i-gami was an interesting set of folding triangular, square, hexagonal and pentagonal construction tiles that you can crease and snap together to make all sorts of shapes. There are 200 pieces in the box. I meant to make all sorts of puzzle prototypes out of them, but never really got around to it. Weighs 1 lb 3 oz before packing.

A collection of eight tray-type puzzles, each worthy of a posting of its own but easier to ship as a group! They are:-Kitchen Floor by William WaiteHeart by William WaiteDown Under by Brian YoungLean 2 -Stewart Coffin- made by Tom LenschNine Squared by Tom LenschThe Decoy -Stewart Coffin- made by Eric FullerRetroFit -Goh Pit Khiam- made by Eric FullerTom's Square Dance -Tom Jolly- made by Eric Fuller

This was Akio Kamei's Karakuri Christmas Present in 2011I'm selling these puzzles to fund future puzzle-making equipment, and of course to buy morepuzzles :)buyer is responsible for money transfer fees (ie 3.5% for paypal), packing and shipping expenses...