Ok, this is the wicked difficult contender in this month's update. It has a unique level 14 solution with a TON of false moves and dead ends. Honestly I could barely get this little sucker apart without the solution, much less back together. As the name implies, the four ring pieces spiral around the central column of stick burr pieces. Very attractive, VERY difficult.Each puzzle constructed of fine walnut and Paduak. Fit is very good! An excellent puzzle and I'm pleased with how it came out.Not...

"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 puzzle is a exchange puzzle by Duncan Ramsay for the International Puzzle Party 34 held in London, UK 2014   Goal: Place all Ts in the cup.   Packaging: Zip lock bagPreliminary 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 (incl. Balearic ...

Wooden Puzzles and Games is a 142 page book published in 1983.  It contains descriptions on how to make several mechanical puzzles in a home wood shop, including the Tower of Hanoi, sliding block puzzles, strategy games, etc.  The book is in near fine condition. This would be a good addition to a mechanical puzzle library.I will ship within the US via media mail for between $5.00 and $13.00 depending on postal code.  I am happy to ship internationally at cost — which I estimate to be ...

This puzzle is a exchange puzzle by Sándor Bozóki for the International Puzzle Party 34 held in London, UK 2014   Goal: Remove chain from ring and replace   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. San Marino and Vatican City), Luxembourg, Spain (i...

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...

“Super IQ”   The Super IQ cube, by Horst Heinz at Profi-Produkte (Professional Products), is composed of 17 wooden pieces of 3 different basic kinds: six composed of 12 cubes in a 2x2x3 block and half of which are blue and half red, six composed of 8 cubes in a 2x1x4 block and half of which are red and half yellow, and 5 having a single 1x1x1 light-blue cube.   Objective: Take apart and reassemble.   Packaging: Original plastic and cardboard boxPreliminary es...

4 never- or slightly-used Exchange Puzzles from the 17th and 19th International Puzzle Parites, held respectively in San Francisco in 1997 and London in 1999.  The puzzles are extremely varied in their classifications, but are all associated with prolific puzzle designers or collectors.  Brief descriptions follow, but I am DELIGHTED to answer more specific questions about any of the puzzles.  Note that all would be graded (A) CollectorNo cosmetic issues(1) Perfect functionPUZZLE DESCRIPTIONS...

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...

Prolific Finnish puzzle designer Vesa Tomonen is known for his seemingly simple yet fiendishly difficult puzzles.  "SPIR ALA RIPS" is one such design used by sloyd.fi owner Tomas Lindén as his exchange puzzle at IPP37 held in Paris in 2017. ONLY TWO WOODEN PIECES which must be laid flat, in order to form a figure that can be bisected into two identical shapes.  Some SERIOUS out-of-the-box thinking and visualization are required to so...

This puzzle is a exchange puzzle by Carlos Oliveira for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Goal: Exhaust all the water, with small, medium or large portions being poured into this vessel (no tilting!)   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. Corsic...

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...