“KINATO 16 pieces of triangles”   This Kinato Puzzle is a combination of conventional puzzle and tangram. It is mathematically designed. It is formed from 16 pieces of triangular plastic components linked together to form a chain. It llks simple, but the structure of Smart KINATO is so  versatile that it can from over hundreds patterns/designs. Thus it can form many cute, lovely puzzle and tangram designs.   Its is a new and fun game. It has three different games as “C...

In 2013 I made a small but fun puzzle named Spiral that had four board burr pieces spiraling around four stick burr pieces. Steps is its big brother...really big. With a unique level 20.3.1.4 solution it's not for the faint of heart. Solvers are reqarded by a pleasing geometric sculpture that validates your puzzle credentials big time!Construction of this puzzle is our usual very high quality. Fit is precise and should be tolerant of varied humidity.Note: Steps ships assembled. Original packagin...

A fascinating and highly regarded book exploring the world of geometric dissections and recreational mathematics. Written by Greg N. Frederickson and published by Cambridge University Press, this book delves into the art of cutting geometric shapes into smaller pieces and rearranging them to create entirely different shapes. Featuring hundreds of illustrations, the book explores an incredible variety of mathematical puzzles, including transforming squares into triangles, polygons into stars an...

This puzzle is a exchange puzzle by Laurie Brokenshire for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective: Make a solid, symmetrical shape.   Background: See attached photo   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. approx. $ 13.50 Europe 1: from 0 - 2 kg max. approx. $ 23.00 to Belgium, Germany, France, (incl. Corsica and Monaco), Italy (excl. Sa...

De Kas is a very challenging ten piece burr puzzle by Alfons Eyckmans. Four eight unit burr pieces interlock with two larger board pieces and four congruent smaller board burr pieces zig-zagging inbetween to make a very unique final shape. The design is in a similar style of Alfons' puzzles we have made in the past, specifically Spiral and Steps. With a level 24.2.2.2.2.2.2.2.4 disassembly alone is a tough task with a few dead ends towards the start.The puzzle was made from a very nicely sourced...

I noticed a lot of interesting board and stick burrs coming out on Ishino's site so I decided to make batch of them. After looking at a couple dozen designs I chose six for their representation of the various concepts and levels of difficulty.This and the Quads and Rings 1 are probably the entry-level puzzles in this category when it comes to difficulty. Worm Inside is fairly basic, with the added twist of two smaller acrylic "worms" that are to be inserted alongside the wood wenge sticks. A tri...

Mindanao is my 10th sequential discovery puzzle.Goal: Find the star.************************************************************These puzzles are extras and oddballs that have accumulated in the shop.  Sometimes when we make a run of puzzles we will have a few with different woods, etc. which are too much trouble to list individually on the website.  These puzzles are all fully functional.For multiple items, combined shipping is available. Simply message me once you are finished bidding and I ...

HANAYAMA's CAST O'Gear, CAST Spiral, and CAST Diamond (Crux edition), as new.I believe that CAST O'Gear was designed by the great and prolific Oskar Vandeventer, as the original design, Sunflower (in plastic), was used by Tyler Barret as his exchange puzzle at IPP22 held in Antwerp in 2002; CAST Diamond (Crux edition) was Designed by Scott Elliott and is the special Hanayama 40th Anniversary edition finished in a matte faux gold.  Scott used this design (originally called "Diamond Engagement" ...

“Brick by Brick (solo player)”   This puzzle consists of only five different pieces, but the possibilities are endless. The game comes with 60 challenge cards, each with a different symmetrical shape that you must assemble from the five pieces.   Objective: Complete all 60 tasks from the enclosed cards.   Packaging: Original Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. approx. $ 13.50...

Stockade by Andrew Crowell is an excellent packing puzzle. The goal is to fit the pieces in the cage with all the gaps covered by the pieces to create the illusion of a cube inside. The solution involves 15 steps with multiple rotations to offer a good challenge and a unique display shape. We've added two extra pieces to make Stockade 2 as an extra challenge. Stockade 2 is a level 4.4.4.3.3 packing puzzle with the same goal, fill all the gaps in the frame to create the illusion of a cube inside....

William Keister -The Hexadecimal Puzzle (1986) designed by William Keister in 1972, produced by Binary Arts in 1986.  the box is well-travelled, but the puzzle is pristine. from Jaap Scherphuis' Puzzle Page: The pattern of the four blocking keys may be changed (by temporarily removing the blocking pin that keeps them fixed), and each of the 16 patterns gives rise to a different puzzle. The easiest key pattern is 1111, because this allows you to switch all bars in order f...