This puzzle has a bit of a background...I first tried to make it about five years ago but made a mistake with the magnets and installed them incorrectly, ruining the puzzle at the last moment of production. Rookie mistake! I loved the concept and decided to revisit it with the added experience of five years putting magnets in the proper direction. Two Rings is a super unique idea; the rings must be manipulated such that they nest together. There is an easy solution and a difficult solution...I'v...

This puzzle is a exchange puzzle by George Miller for the International Puzzle Party 34 held in London, UK 2014   Goal: Assemble a cube such that the sum of the digits on the faces is 69.   Packaging: Zip lock bag_____Preliminary estimate of shipping costs from the Netherlands. Netherlands: from 0 - 2 kg, max. approx $ 12.00 Europe 1: from 0 - 2 kg, max. approx $ 23.00 to Belgium, Germany, France, (incl. Corsica and Monaco), Italy (excl. San Marino and Vatican City), Lu...

This puzzle is a exchange puzzle by Sjaak Griffioen for the International Puzzle Party 28 held in Prague, Czech Republic 2008   About Puzzle:   The complete set consists of 12 different pentangles with all possible combinations of inside and outside curved long sides. Pentangles with all identical curved long sides are excluded. Each piece “a” is the mirror image of the corresponding piece “b”. Flipping is not allowed. Always the URL must be on stop. Although ...

Four (4) Great Puzzle Locks from Boaz Feldman! Loki,     B-Lock,      B-Lock II,     Fun Lock!A Great Collection!Solved Once, Stored Well.There may be some fine small scratches, from solving each Once.More details and pics found here: https://www.puzzlemaster.ca/browse/inventors/boazfeldman/US Shipping is $9.95 Insurance is available upon requestOverseas TBD.Paypal accepted, Kindly ask any questions you may have,

Spy is an Interlocking Puzzle with a secret. Four Purpleheart and Yellowheart pieces packed into a Figured Maple container...simple, right? Perhaps a closer look is in order. With a level 24.2.2.2.4 solution, Spy is definitely hiding something! Even disassembly is a difficult task.With sturdy shouldered box construction and burr pieces milled from solid exotic wood, Spy looks great when disassembled and even better when solved. Tolerances allow for smooth movement while ensuring a stable final a...

Rombox is clever and beautifully made packing puzzle from Yavuz Demirhan. The puzzle was a hit at the IPP Design competition and won a Top 10 award from the voters.

Cold Duck Time is an innovative packing puzzle from Stephan Baumegger. The pieces are able to transform, providing a fun challenge when packing them into the box with restricted opening. It recieved a top 10 vote award at IPP 42 for the design competition.

This is Hajime Katsumoto's IPP design competition entry from 2021, where it picked up an Honorable Mention.Goal is to pack all 4 of the pac-man shaped pieces flush inside the box, without force.Expertly made by Tom Lensch

Dial Case by Juno. Purchased directly from Pluredro. Solved once and reset. Stored in a smoke free home.Shipping within USA preferred. Buyer to pay shipping as calculated after auction. Payment via PayPal.Description:Dial Case is a sequential discovery puzzle that typically requires about 15 moves to open the box, depending on your approach. When you solve the puzzle and open the box, you'll find a message indicating what you should do next.

Gary Foshee was a luminary of the mechanical puzzle world for the past forty years.  He was one of the early innovators of "sequential discovery" and "blind solve" modern puzzles.  He was commissioned to build the host gifts for Norman Sandfield and Bill Cutler, the hosts of IPP23 held in Chicago in 2003.  His very recent untimely death saddened many in the puzzle world and all that new him, including me.  I will always carry ...

Inelegant Squares Pack puzzle by Haym Hirsh. Crafted by Woodwonders. Pack the 6 pieces into the box. I accidentally bought 2 of these. The puzzle is brand new and never solved. A little about myself and the puzzles. I am a solver / collector. I try to collect various types of puzzles from various designers / makers. I rotate new ones in to the collection and like to pass along puzzles to others. All the puzzles I sell are solved at least once by me. My home is smoke free and pet free. I keep th...

Minima Egg by Fredric Boucher. Pack the pieces and eggs into the box. A little about myself and the puzzles. I am a solver / collector. I try to collect various types of puzzles from various designers / makers. I rotate new ones in to the collection and like to pass along puzzles to others. All the puzzles I sell are solved at least once by me. My home is smoke free and pet free. I keep the humidity where the puzzles are between 40-50% with the average being approximately 48%.Buyer will pay shi...

Glingle is a classic and tricky put together puzzle. It comes apart into many identical pieces and is a challenge to put back together.

This puzzle is a exchange puzzle by Greg Dye for the International Puzzle Party 25 held in Helsinki, Finland 2005   Objective / Description 1. Start with the 1x2 black piece in an upright position on “A”. 2. You may roll the block up, down, left or right, but you must always stay within the grid and always end each move on only one colour. (Look at solution to challenge #1 for example.) 3. Each challenge has 6 sub-challenges. Start by travelling from A to B. You mu...

This puzzle box was bought about 25 years ago direct from Japan along with a similar 66 move box (see my other listing). I am not a puzzle collector, these are the only two boxes I have. I bought them as I have a long standing connection to Japan with many trips there through aikido.This box has been stored wrapped in cloth inside its protective presentation box and kept in a cupboard for all that time. I have only taken it out of the box a few times: when I bought it and recently to photograph ...

This puzzle box was bought about 25 years ago direct from Japan along with a similar 54 move box (see my other listing). I am not a puzzle collector, these are the only two boxes I have. I bought them as I have a long standing connection to Japan with many trips there through aikido.This box has been stored wrapped in cloth inside its protective presentation box and kept in a cupboard for all that time. I have only taken it out of the box a few times: when I bought it and recently to photograph ...

The "TV Puzzle" is a long-discontinued Pelikan release that was the subject of particular obsession on the Mechanical Puzzle Discord. I somehow got roped into making it; I'm still not sure how. Those guys are persuasive.TV Puzzle is an interesting hybrid packing and take-apart puzzle. My interpretation stayed true to Jakub's original design with a couple of changes - we fully lacquered and changed grain direction for all pieces to make the solution more difficult. The result is trickier than I e...

Put the pieces in the box to form an apparent cube.A little about myself and the puzzles. I am a solver / collector. I try to collect various types of puzzles from various designers / makers. I rotate new ones in to the collection and like to pass along puzzles to others. All the puzzles I sell are solved at least once by me. My home is smoke free and pet free. I keep the humidity where the puzzles are between 40-50% with the average being approximately 48%.Buyer will pay shipping and will be ca...

Minima 2 Put the pieces in the box to form an apparent cube.A little about myself and the puzzles. I am a solver / collector. I try to collect various types of puzzles from various designers / makers. I rotate new ones in to the collection and like to pass along puzzles to others. All the puzzles I sell are solved at least once by me. My home is smoke free and pet free. I keep the humidity where the puzzles are between 40-50% with the average being approximately 48%.Buyer will pay shipping and w...

"Chicago L" is a modification by the computer genius Donald Knuth of a Henry Ernest Dudeney puzzle, exchanged at IPP23 (2003) in Chicago by perennial exchange participant Stan Isaacs.  The puzzle consists of 12 L-shaped interlocking pieces which must be put together to form a solid square in which the lines form a continuous loop.   The puzzle is in its original felt pouch, complete with original instruction card and sealed solution sheet, as presented at IPP23. I will ship within the US as a...