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...

Ages ago I made a small batch of RD puzzles using octahedral clusters (truncated rhombic dodecahedra or chamfered cubes). I never did make the best of Coffin's design though, the Five Piece version, so I thought I'd whip up a batch after having so much fun with the Pyracubes. Five Piece Cluster has four dissimilar non-symmetrical pieces and a fifth key piece that is a single block. The serially interlocking solution is very tricky!The construction of this puzzle was done with edge beveled cubes ...

“Galileo’s Globe Puzzle” This wooden Globe Puzzle is linked to Galileo Galilei. Part of Professor Puzzle’s Great Minds puzzle series, which is linked to great thinkers from our history. The wooden puzzle keeps your hands busy and your mind active, every day. Enjoy quiet moments while sharpening your problem-solving skills. Every turn reveals new ways to become smarter.   Packaging: Original CardboxPreliminary estimate of shipping costs from the Netherlands.   ...

Up for auction is an Oloid Wobbler made from solid hardwood. The condition and craftsmanship are very nice, and the curves are still nice and sharp. It wobbles and rolls in a straight line!  "The Oloid Wobbler is a fascinating applied science toy derived from the Oloid (a geometric object created by mathematician Paul Schatz). It is formed when two disks of the same size and diameter are intersected at right angles to each other.The Wobbler is mathematically optimized, with the center of the d...

"Variation On a Theme" was Simon Dickerson's exchange puzzle at IPP19 held in London in 1999.  It is a variation on the classic Tangram puzzle by the famous and incredibly prolific Stewart Coffin, Stewart's puzzle design #136.  It looks like a Tangram, except thatSome of the corners of the large triangles are cut off;The parallelogram piece is a bit elongated;The pieces don't all fit into the tray the way that regular Tangram pieces should!The goal, of course, is to figure out HOW to fit all o...

This is the 3rd sequential discovery puzzle that I designed but this time there is no coin for this puzzle but I will be including an acrylic circle with a logo.The goal is to remove the ACRYLIC COIN. The tools are provided within the puzzle.Please note that there are some small parts, please solve the puzzle at a wide table and well-lighted place. Unscrewing the nuts is a big no. The screws hold the puzzle together.Note: This is the original version of the puzzle with a coin inside. Rex had swi...

“Net-Block D”   This is a 6 piece interlocking puzzle (level 8) from CT Toys & Gifts.   Objective: Take apart and reassemble the plastic pieces.   Packaging: Original plastic 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. San Marino and Vatican City), Luxembourg, Spain (i...

The goal is to free the Ghost.No banging or due force is needed to solve the puzzle.Solve with ease.Unscrewing the nuts means screwing up the puzzle.************************************************************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, combi...

Puzzle is in excellent condition and functions like new. Only 60 copies were ever produced. I also have (2) instruction/solution booklets, this makes the build much easier in my opinion. Here is the Description from the Stickman website:Stickman Dwemer Construct Puzzleboxes arequality hand-crafted by puzzle artist Robert Yargerfrom walnut & sapele, (with maple accents andinlays). They are limited in edition to 60 completedpieces.The Dwemer name comes from an ancient lostrace of elves in the Elde...

Bill Cutler - Crooked Box I (1975) per Bill Cutler: 'This design is really equivalent to Stewart Coffin's Hectix/Hexsticks design. The inside of the box is a rhombic dodecahedron.' this is an old puzzle, and may or may not be a prototype. the cuts are precise and the pieces are sturdy, but the wood is a little rough.this will be sent disassembled for safety in shipping unless the buyer requests otherwise.  i will provide an assembly diagram. ♫:  ...

Twelve Points To Insanityby Brian Youngcondition: as new