Perennial Puzzle Exchange participant and puzzle inventor Wil Strijbos used the very colorful Quatro as his exchange puzzle at IPP26 held in Boston in 2006.  The puzzle was invented by the mysteriously-named "Joáo."  The main objective of the puzzle is to remove the string.  The puzzle is in pristine condition as received at IPP26, complete with its original decorative bag (which I will mail without charge, domestically, under separate cover) as seen in the second illustration.  I will be h...

Twenty Ball Pyramid was designed by the great prolific puzzle designer Iwahiro (Hirokazo Iwasawa), and exchanged by perennial Edward Hordern Puzzle Exchange participant Yoshiyuki Kotani at IPP26, held in Boston in 2006.  The object of the puzzle is is to build a tetrahedral pyramid from the four 5-ball pieces.Twenty Ball Pyramid is complete in its original plastic bag with its original instruction card, as presented at IPP26.  I will supply a copy of the solution to Twenty Ball Pyramid from th...

This set consists of a pair of fantastic puzzles combined into one package. The puzzle box portion alone justifies the price of admission, featuring a multi-step design that secures the accompanying burr booklet.After that, hundreds of burrs that can be crafted using the set. These range from simple one-move burrs to remove the initial piece, to solid burrs, as well as burrs featuring gaps and those requiring multiple moves to extract the first piece.Winner will pay winning bid plus shipping fro...

El puzzle, designed by Nob Yoshigahara, made by Puzzland HikimiThe goal of this puzzle is to pack the 12 L-shaped pieces into the tray.  However, the 12 pieces use a dark wood on one side and a light wood on the other.  You're supposed to pack them such that only one color shows.  Solving this one took me forever.  It's another puzzle where you get to the last piece and it's usually not right.  According to Torito, this puzzle was made "in small quantities in 2002".  It was Nob's exchange ...

Altekruse (14 Pieces) classic interlocking puzzledesigned by William Altekrusecrafted by Tom Lenschmaterials: Mahoganycondition: as new

This is an exchange puzzle from ipp 24 from atsushi katagiri .Design by hideto sato and made by Tatsuo Miyamoto from Karakuri Group. It's a wooden trick box .I can combined items if you are winning more than one of my listings.If you have any question you can ask me.

A Wooden puzzle lock made by Osho from JaponGoal : open the schekel.I can combined items if you are winning more than one of my listings.If you have any question you can ask me.

I bought this puzzle directly from Cubicdissection and solved it a couple times. It is in perfect condition."Multiball is a tricky new puzzle box with a deceptive solution. Four stainless bearings are trapped behind a small window, and must be dealt with to open the box. Panels slide, pins drop, and the box remains stubbornly closed. There is one and only one way to open this box...can you figure it out? The solution will not be what you think!"

Bad Moon puzzle by Dee Dixon of Dedwood Crafts. Yet another very enjoyable and clever design by Dee. This is a big puzzle, a double-hamster.  More information on website: https://www.dedwoodcrafts.com/products/bad-moon

I found this trickier than expected, but a joy to solve with Wood Wonders beautiful choice of woods and craftsmanship.  What Brian had to say about this buikd:All I need to say is "Ken Irvine" and you know that this puzzle is great. Ken's designs are always amazing. This design had me scratching my head for days. It seemed so simple! What am I missing? Then one day, Aha!!!! Shipping calculated after auction - Combined shipping available.

Pyramida is a design that become almost an instant hit within the community for its fun and frustrating challenges.These particular sets are made of acrylic and machined Bloodwood with real stone balls: Red Jasper, Yellow Agate, Aventurine, and Sodalite. "Pyramida" is a multi challenge dexterity puzzle designed by Frederic Boucher  and produced by NothingYetDesigns. Goal: Create the shapes listed on the challenge sheet using the specified balls. Solved using dexterity only. 36 total chall...

Hidden Scroll - Bits and Pieces / Doug EngelFor international shipping, please inquire before bidding for approximate pricing. 

Volcano puzzle by Hiroshi Iwahara of Karakuri Creation Group. Here is information from their website: https://karakuri.gr.jp/en/products/co-14-2/ 

3D Packing puzzle designed by Stewart Coffin and made by Andy Manvell (2006).The goal is to fit the 5 pieces into the cubic box.It was brilliantly and deliberately designed to confound your computer software, hence its name...(IPP26 exchange puzzle from Marti Reis STC-193)After the end of the auction the final shipping cost will be calculated.Besides PayPal, Wise payment solution is also an option.SEPA bank transfer is also accepted (EU countries) and free.

Bashful Trick Lock Cigar Cutter SS Adams' Puzzle - 1920s AntiqueShipping will be calculated upon auction ending - buyer pays actual shipping. Ships from United States 

Impossicube - Bits and Pieces - Metal Interlocking Mechanical PuzzleWatch my overview and video solution here:For international shipping, please inquire before bidding for approximate pricing. 

Roc Key by Rocky Chiaro - Bits and Pieces VintageRemove the ring from the key. Comes with original box and solution. Very rare. Shipping will be calculated upon auction ending - buyer pays actual shipping. Ships from United States 

"Sliding Panels" is the 2022 Christmas Present by the Karakuri Creation Group's prolific founder and master craftsman, Akio Kamei.   Here is how Kamei describes the puzzle: "This work was designed as a Christmas present for 2022. Four panels move, but only two of them are keys.  It's a slightly different way of unlocking."The puzzle is as it was received in it's original Karakuri Creation Group Kamei signature box, and plastic bag.  Note that Karakuri Christmas presents do not come with solu...

"Clouds" is a 2D packing puzzle designed and produced by Abhishek Ruikar.Description from Abhishek Ruikar:The task of the puzzle is to fit all 9 clouds in the tray.Made from laser-cut acrylic. 

"The aMAZEing Puzzle Box" is a Lego built sequential discovery puzzle designed and produced by QuizBrix. Goal: Find the Golden Bar. This will take approx 30 steps to discover! Approx size: 2"x3"x4"Please wait until the end of the auction for final shipping costs.