This puzzle is a exchange puzzle by George Miller for the International Puzzle Party 25 held in Helsinki, Finland 2005 Objective / Description: About the puzzle: In 1978, Dean Hoffman posed the following problem to a conference at Miami University. “Fit twenty-seven blocks, measuring A x B x C into a cubic box with sides of A + B + C. A, B and C must be different and the smallest dimension must be larger than (A + B + C) / 4.” Dean Hoffman dismissed a...

This puzzle is a exchange puzzle by Frank Potts for the International Puzzle Party 25 held in Helsinki, Finland 2005 Objective / Description: An imp is a mischievous prankster, who delights in playing tricks on unsuspecting humans. I am plagued with them in my workshop. One trick they played was to take some nails I had left out, and put them through a bunch of wooden rings. How they did this is a mystery, but I hope that you will enjoy their bit of trickery. Packag...

This puzzle is a exchange puzzle by Meiko Kimura for the International Puzzle Party 28 held in Prague, Czech Republic 2008 Goal: Swap the positions of green and red pieces. 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), Luxembo...

This puzzle is a exchange puzzle by Rick Eason for the International Puzzle Party 25 held in Helsinki, Finland 2005 Objective / Description Make a cube with the 7 pieces 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,...

Feed The Monkey is the first packing puzzle from the (in)famous Two Brass Monkeys collaboration. The goal is simply to feed all the bananas to your monkey so that none are left sticking out of his or her mouth. The solution is deceptive and unexpected, and I think for a first try they have nailed it!The construction of this puzzle is impressive. Solid brass ends cap an aluminum core, with bananas made from very accurate and nicely milled brass stock. The feel and heft of this puzzle speak to its...

BonBon packing puzzle by Frederic Boucher is just a ton of fun. The set of five tetrominoes must be fully inserted in the rectangular box, and there is only one particular way to do it. The solution requires over a dozen correct moves and rotations, and must be found by careful analysis rather than random attempts.Accommodating the unusual cutouts in the box was an exciting design challenge. The acrylic top is held in place with a tricky set of shoulders resulting in a tight fit while retaining ...

Stewart Coffin designed the venerable Half Hour puzzle in 1975, so named because he thought it would take most people about that long to solve it. This variant of Half Hour, STC-29B, is a spin on the classic design. The box features a removable top panel that dovetails into the restricted opening for storage of the solved puzzle. Solving the Half Hour cube will only get you partially there, as the "T" shaped restriction limits the assembly to one solution.Previously existing as a prototype made ...

We received several requests to remake this classic design by Stewart Coffin, featured as design number 185 in the Ap-Art book and challenged by the author to "Try your luck on this one - or test your patience!" As a follow up to the previous Blind Slot Machine release in 2005, this edition features a clear acrylic window to view your progress during the solve and a removable top panel which will turn the puzzle into a "Blind Slot Machine" which significantly increases the difficulty. Construct...

This is an impossible object! The puzzle is to decipher how it was made and how it functions.The Monkeys Nuts is Two Brass Monkeys' take on Scott Eliott's "Its Nuts" design. Originally only available in 3D print by Scott, our version is a beautifully crafted solid brass bolt with two nuts threaded on it. But all is not as it seems! A fine piece of mechanical engineering makes this bolt very, very special.To remove one nut turn it clockwise. To remove the other, turn it counterclockwise. If you h...

The Puzzle is in great condition and has a great fit, not too tight or too loose. It has no damage and was stored under controlled humidity conditions, no smoking or animal contact.I am the original buyer from Woodwonders. Buyer to pay shipping, please wait until auction end to determine shipping costs together.

The Puzzle is in excellent condition and has a great fit, not too tight or too loose. It has no damage and was stored under controlled humidity conditions, no smoking or animal contact.I am the original buyer from Cubicdissection. Buyer to pay shipping, please wait until auction end to determine shipping costs together.Original description from Eric:Similar to the earlier Packira, Babel ups the ante from Packira's level 9.4.10 solution to an insane level 33.10 solution. Unique, natch. The ...

The Puzzle is in excellent condition and has a naturally looser fit. It has no damage and was stored under controlled humidity conditions, no smoking or animal contact.I am the original buyer from Cubicdissection. Buyer to pay shipping, please wait until auction end to determine shipping costs together.Original description from Eric:I've made several maze puzzles in the past and they were all tricky and interesting. But they were also approachable and sometimes downright friendly. Storey ...

The Puzzle is in excellent condition and has a great fit. It has no damage and was stored under controlled humidity conditions, no smoking or animal contact.I am the original buyer from Cubicdissection. Buyer to pay shipping, please wait until auction end to determine shipping costs together.Original description from Eric:The artisan series is being discontinued; once these puzzles are gone they will not be remade. Stumbling Blocks is a brilliant puzzle that I've been wanting to make for ...

One Match Left is a new three piece framed burr by Jorgos Anastasou. It is our first time working with Jorgos and we plan to bring more of his great interlocking designs to our future releases. The puzzle is a moderately difficult level 6.7.2 disassembly challenge, and with a unique solution reassembly is fun to determine the position of the small match piece trapped inside the seven unit burr pieces and frame.The frame construction features shoulder joinery with smooth rounded edges which added...

The Puzzle is in great condition and has a great fit, not too tight or too loose. It has no damage and was stored under controlled humidity conditions, no smoking or animal contact.I am the original buyer from Woodwonders. Buyer to pay shipping, please wait until auction end to determine shipping costs together.Lucie Pauwels wrote about it: “One day I was playing with 2 spirals that form a cube, I added a few blocks on one end of both spirals and took a few off on the other end. Then...

This puzzle is a exchange puzzle by Saul Bobroff for the International Puzzle Party 25 held in Helsinki, Finland 2005Objective / DescriptionThe purpose of the Chain puzzle is to find out how it was made.The silicone rings have always been one piece. The Zebrawood has always been one piece.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...

Time Traveler's Artifact, by RG Puzzles [Rens G.]Not yet released outside of Europe.Only 20 copies produced thus far. Original price was 460 USD [390 Euro].My copy for sale is #08.Original description from the creator:"Time Traveler’s Artifact is a sequential discovery puzzle box that takes you on a puzzle journey through the barriers of past, present and future. The development of this puzzle has taken nearly two years of designing, building, testing and iterating. The end result is a unique ...

From the creator, Fabian Volmer:'The Ultimate Puzzle Box'"The Genesis Module is no ordinary cube—it's a machine, an artifact that challenges you to decipher its hidden mechanisms and uncover its secrets. Every lever, every cog, and every engraving tells a story of engineering and precision, carefully encapsulated within an enigmatic cube.Immerse yourself in the fascinating world of puzzles with this mysterious puzzle box. This unique challenge will challenge your brain cells in a whole new way...

Millers Cube by George Miller and made by Tom Lensch. Put the ball in the box as you build it around it. Made of wood but I'm not sure what kind.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 ...

Another interesting packing puzzle from the great Koichi Miura!Pack  all 5 L shaped pieces flush with the box