Schlüssel (Key) by the mysterious Roger D.The goal is to remove the key from the lock.The lock will be shipped with key outside of the lock, but locking the key is the trivial part.Winning bidder will be invoiced the winning bid amount plus shipping cost, to be calculated after auction ends.

Wasserhahn (Water Tap) by the mysterious Roger D.The goal is to get the ball out of the tap.Winning bidder will be invoiced the winning bid amount plus shipping cost, to be calculated after auction ends.

Color Match BirdWood 6" x 6" pattern matching puzzle, made by Hikimi.  Goal is to place the pieces in such that the colors of the birds all match up.  Puzzle is in excellent condition.  Box is clean but has a bumped corner.  Original instructions (in Japanese) are included.-----Buyer is responsible for shipping which should be $8-12 for small puzzles (within USA, first-class).  Priority mail might be $3 to $6 more.  I charge only exact shipping costs.  Please contact me if you need an est...

Initially released in 2012, Topless Box is a favorite we never tire of recreating. The solution is tricky and surprising. Upon inspection Topless Box immediately presents a conundrum: with two lids and no top or bottom, how can it be opened? Where do you even begin?The mechanism may be deduced without the use of external tools. No bumping, banging, shaking, spinning, gravity moves, or excessive force is necessary or allowed. Once opened, the elegant mechanism is visible to the solver, and you'll...

Initially released in 2012, Topless Box is a favorite we never tire of recreating. The solution is tricky and surprising. Upon inspection Topless Box immediately presents a conundrum: with two lids and no top or bottom, how can it be opened? Where do you even begin?The mechanism may be deduced without the use of external tools. No bumping, banging, shaking, spinning, gravity moves, or excessive force is necessary or allowed. Once opened, the elegant mechanism is visible to the solver, and you'll...

Initially released in 2012, Topless Box is a favorite we never tire of recreating. The solution is tricky and surprising. Upon inspection Topless Box immediately presents a conundrum: with two lids and no top or bottom, how can it be opened? Where do you even begin?The mechanism may be deduced without the use of external tools. No bumping, banging, shaking, spinning, gravity moves, or excessive force is necessary or allowed. Once opened, the elegant mechanism is visible to the solver, and you'll...

Initially released in 2012, Topless Box is a favorite we never tire of recreating. The solution is tricky and surprising. Upon inspection Topless Box immediately presents a conundrum: with two lids and no top or bottom, how can it be opened? Where do you even begin?The mechanism may be deduced without the use of external tools. No bumping, banging, shaking, spinning, gravity moves, or excessive force is necessary or allowed. Once opened, the elegant mechanism is visible to the solver, and you'll...

Initially released in 2012, Topless Box is a favorite we never tire of recreating. The solution is tricky and surprising. Upon inspection Topless Box immediately presents a conundrum: with two lids and no top or bottom, how can it be opened? Where do you even begin?The mechanism may be deduced without the use of external tools. No bumping, banging, shaking, spinning, gravity moves, or excessive force is necessary or allowed. Once opened, the elegant mechanism is visible to the solver, and you'll...

Corky (or Uncorker), designed by Gary FosheeProduced by Bits & Pieces (2005).Photo shows the assembled corkscrew, but the goal is to start with it disassembled (two parts) and figure out how to put it back together to make the wine opener.  Hence, I will ship it in the unsolved, disassembled state.  It's a nice looking metal puzzle, with minor wear and tarnish consistent with its age.  Main body still looks clean and shiny.  The tarnish on the corkscrew has been polished to restore most of t...

Google description: The March/April 2026 issue of Fine Woodworking (issue #322) features the masterful work of Craig Thibodeau, highlighting his "Magical World of Puzzle Furniture."  Thibodeau blends intricate mechanical engineering with fine woodworking to create stunning, complex pieces.Magazine is in excellent condition, from a smoke-free home.  Cover is clean with a couple of minor corner creases.-----Buyer is responsible for shipping.  Please contact me if you need an estimate for intern...

The Mechanical Puzzle 130 magazine covers a wide range of mechanical puzzles with both color and black & white photos throughout. It was published in 2006 and it looks like they interviewed various puzzle designers to get some background on their puzzle designs. There are some fun stories in here, mostly in Japanese although there is some English text.I included photos of pages covering Oskar’s puzzles and Karakuri. There is a lot more, including coverage of Hanayama, Rubik’s and variants, a...

“The Grand Vizier” This puzzle is a exchange puzzle by Pavel Curtis for the International Puzzle Party 22 held in Antwerp, Belgium 2002 Description:1. Put all 16 pieces in frame A2. Put 8 pieces in frame B  Packaging: Zip lock bag.Preliminary 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 Monac...

“On-the-spot Insanity”   This puzzle is a exchange puzzle by Rik van Grol for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Place the nine cubes in a 3x3 square in such a way that similar symboles cannot "see" each other horizontally, vertically or diagonally. Both side need to be correct.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. app...

“Twinpyramid”   This puzzle is a exchange puzzle by Alian Zalmanski for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description: Build a twinpyramid. There is only 1 solution.   Packaging: Zip lock bag. Preliminary 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 Mo...

“Amusements in Lettering 1”   This puzzle is a exchange puzzle by James Kerley for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description: 1) Put the 7 larger pieces in the frame to make 2 equel letter G’s (1 solution) 2) Put the 7 large pieces in the frame to make 2 equel letter E’s (4 solutions) 3) Use the smaller pieces in the frame to make 2 equel letter G’s (2 solutions) 4) Use the smaller pieces in the frame to ...

“Heads & Tails Tetrominoes”   This puzzle is a exchange puzzle by Marcel Gillen for the International Puzzle Party 37 held in Paris, France 2017   Objective: Build 5 tetrominoes. The pieces should fit correctly together on the upper and lower level. Each piece consists of two fixed pieces which can be rotated.   Packaging: Plastic box.Preliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. approx. $ 13.50 E...

“Radix”   This puzzle is a exchange puzzle by Akio Yamamoto for the International Puzzle Party 25 held in Helsinki, Finland 2005   Objective / Description: Take the three pieces apart, and then put them back together again. No force is required.   Note: Radix received the Grand prize in the 5th Annual Nob Yoshigahara Design Competition.   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from...

“PyraCircle”   This puzzle is a exchange puzzle by Hendrik Haak for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Goal: This puzzle is a variation of the well known Japanese Panex Puzzle. Inside the disk there are three spaces signed by the small color circels. Goal is put the pieces of the same color together into the space signed with the corresponding color. The fourth space out of the disk (with the pieces ‘IPP 28’) is the helping...

“Double Trefoil Puzzle”   This puzzle is a exchange puzzle by Frank Gregory for the International Puzzle Party 31 held in Berlin, Germany 2011.   Goal: Shift the floating ring from the upper knot to the lower knot. (See the attached photo.)   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,...

“Bearlin Variations”   This puzzle is a exchange puzzle by Kate Jones for the International Puzzle Party 31 held in Berlin, Germany 2011.   Objective: See attached photo / description.   Packaging: Linnen 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...