Kevin Sadler wrote about it:“My copy of Tulip 1 is made from a vibrant red Padauk and contrasting Wenge. The name seems to allude to the shape of the opening in the box. At first glance, it appears like a standard 2x2x2 shaped gap but after a moment of play with the puzzle, it rapidly becomes clear that the opening is severely restricted by a diagonal segment covering 2 of the interior corners. Osanori has used this method of constraint quite a lot over the last year or so and it really ups th...

Although, still available at retail, it’s no longer available in Blue! Either way it’s a fun puzzle no matter the color! IPP 35 Ottowa! Starting below retail! ObjectTake apart the tower and reassemble.DifficultyLevel 7 - ChallengingBrandPuzzleShedTypes3D Printed Puzzles, Maze PuzzlesDimensions6.2 cm diameter x 4.8 cm tall / 2.4 in diameter x 1.9 in tallPackagingBubble WrapProduct DescriptionDesigned by Simon Bexfield and used as Chris Dalgety's IPP (International Puzzle Party) Exchange Puz...

Group #7  5 Piece Block Designer Steward Coffin made from Oak and Walnut Steinhaus Cube Designed by Hugo Steinhaus made from Osage Orange Rho’s Bush Designed by Don Charley built by Steve Strickland Two Rope Puzzle made from Walnut and maple inlay and oak  Selling my collection, most are made by myself taking great care in choice of woods and precision cutting, where possible puzzles are tagged and few solutions are available.  I highly recommend you take multiple phot...

Group #5  4 Piece Pyramid Puzzle Steward Coffin made from mahogany Unknown walnut rectangle puzzle made from Walnut and maple inlay Unknown Square believe to be Steward Coffin made from Osage orange and blood wood sides with ebony key spline. (really cool)  Convolution Puzzle Steward Coffin  Wood is Ebony and Zebra Wood Two Rope Puzzle made from Walnut and maple inlay and oak Unkown box puzzle 2 layer deep believe steward Coffin Design made from spalted maple and mahogany...

Group #6  9 Piece Square Puzzle Steward Coffin made from Paduka, ebany, blood wood Checker Board Puzzle by Steward Coffin made from Oak and Walnut Convolution Puzzle Steward Coffin  Wood is Ebony and Zebra Wood Two Rope Puzzle made from Walnut and maple inlay and oak Unkown box puzzle 2 layer deep believe steward Coffin Design made from spalted maple and mahogany.  Selling my collection, most are made by myself taking great care in choice of woods and precision cutting, ...

“Isaacs’s Iris”   This is a puzzle by Stan Isaacs   Objective / Description - Put the pieces together and form a disk like the iris of an eye. Once you’ve done that, put it together again alternating the colors.  - How many solutions are there for the disk? How many are there with alternating colors?  - Each piece has a number or a letter on it. What do those numbers represent?   Packaging: Zip lock bagPreliminary estimate of shipping costs from...

Group #2 Coffin Quartet Designer Steward Coffin Wood is Paduka Convolution Puzzle Steward Coffin  Wood is Paduka and Maple Unkown square box puzzle made from walnut and maple inlays A Knot Puzzle by Steward Coffin made by another not positive on puzzle name Two Rope Puzzle made from Walnut and maple inlay and oak  Selling my collection, most are made by myself taking great care in choice of woods and precision cutting, where possible puzzles are tagged and few solutions a...

“Yin and Yang Puzzle”   This puzzle is a exchange puzzle by Nancy Alliegro for the International Puzzle Party 24 held in Tokyo, Japan 2004   Objective / Description Fit all of the pieces together to form a spherical shape.   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Gre...

“NOB’s Diabolical 3x3”   This puzzle is a exchange puzzle by Nob Yoshigahara for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Arrange the 9 squares in a 3x3 array so that the 12 pentominoes are created on the square intersections.   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 2...

“Odawara’s Nine Problems”   This puzzle is a exchange puzzle by Naoaki Takashima for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Make the 9 Polycube problems. See picture.   Packaging: Plastic boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland),...

“Punch Cards”   This puzzle is a exchange puzzle by Tom Lensch for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Insert the five ‘punch cards’ into the wooden box.   Packaging: Wooden boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany,...

“TriSquare Enigma”   This puzzle is a exchange puzzle by William Waite for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Put the 6 pieces together in the tray. Do not fill the tray.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Green...

“Perpetual Motion”   This puzzle is a exchange puzzle by Bill Darrah for the International Puzzle Party 24 held in Tokyo, Japan 2004   Objective / Description What is inside the box   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany, France, (incl. Corsica an...

“The Key Puzzle”   This puzzle is a exchange puzzle by Bill Cutler for the International Puzzle Party 24 held in Tokyo, Japan 2004   Objective / Description Remove the Key and put it back. In the ‘locked’ position all 4 ‘tumblers’ block the Key from being removed.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 ...

“Mysterians”   This puzzle is a exchange puzzle by Nick Baxter for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Separate the three Mysterians   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany, France, (incl. Corsica ...

“Hermaphroditic Blocks”   This puzzle is a exchange puzzle by George Miller for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Assemble the 8 pieces into a cube.   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany, Fra...

“Schiebschloss”   This is a puzzle by Jean Claude Constantin   Objective / Description Manipulate the wooden tiles attached to the metal rods in order to open the lock.   Packaging: Zip lock bag  Preliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany, France, (incl. Corsica and Monaco)...

“18xP+1.5”   This puzzle is a exchange puzzle by Jacques Haubrich for the International Puzzle Party 22 held in Antwerp, Belgium 2002   Description Disassemble the 18 pieces then assemble to obtain a checkered cube with dar kan light wood alternating.   Packaging: Cardboard boxPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark...

“Esponja de Binimelis (Binimelis Sponge)”   This puzzle is a exchange puzzle by Albert Violant i Holz for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Put the 20 pieces of the puzzle together joining pins and holes to form the first iteration of the Menger sponge (i.e. a 3x3x3 cube with the center of each face and the center of the cube empty), so that all the pins renain in the interior of the structure.   Packaging...

“Four D”   This puzzle is a exchange puzzle by Oskar van Deventer for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Take apart the 4 disks.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Europe 1: from 0 - 2 kg approx $ 21.00 to Belgium, Denmark (excl. Faroe Islands and Greenland), Germany, France, (incl. Corsica and...