Space Cube is an interesting puzzle that creates a pleasant box shaped structure.  It requires a skill I lack, dexterity.  But as with anything, patience and practice should enable one to not only assemble the single Space Cube, but many variations of multiple Space Cube configurations. An assembled Space Cube is made from 6 identical C-shaped (or U-shaped) plastic pieces.  The pieces come in colors of red, yellow, and blue.  A box comes with 18 pieces, 6 of each color.  This lot has 3 box...

6 Key Mine is a part of the Robert Rose's Mental Block Puzzle series.  This puzzle was a 2003 IPP Puzzle Design Competition 1st Prize winner.This is a Bits & Pieces version, but a very good reproduction of the original design.  This version is no longer available from Bits & Pieces.  A review of this puzzle is available by Jerry Loo at http://smallpuzzlecollection.blogspot.com/2011/08/six-key-mine.html.Original solution page available with puzzle.

This puzzle looks similar to the Alcatraz puzzle, but is much larger, and more difficult to solve.  Very well made and because of its size, easier to work with toward a solution.  The object of the puzzle is to free the golf ball from the cage.A solution comes with the puzzle, but be advised, it is a video on a VHS tape.  Puzzle also comes with 3 pages from the filed patent, which offers insight into the internal workings of the puzzle.

“Raindrops Puzzle”This puzzle is a exchange puzzle by Sjaak Griffioen for the International Puzzle Party 37 held in Paris, France 2017 Objective:Arrange a flat composition of overlapping rings.8 Challenges see instructions booklet in the box.  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....

“TreGGony” This puzzle is a exchange puzzle by Juozas Grankas for the International Puzzle Party 34 held in London, UK 2014   Objective / Description Place six triangles and egg-shaped piece in the frame.   Background: See pictures   Packaging: Cardboard box and 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, Denm...

“Non-Void Cube”This puzzle is a exchange puzzle by Andreas Röver for the International Puzzle Party 37 held in Paris, France 2017 Objective:Take the four pieces apart and then assemble the four pieces again into a 3x3x3 cube. Note: This puzzle slides very hard and very stiff. There is a risk that it may break. Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 10 kg approx $ 12.00   Eur...

“Gosper’s Modified “Conway” 7 cube” This puzzle is a exchange puzzle by Abel Garcia for the International Puzzle Party 34 held in London, UK 2014   Objective / Description Pack all pieces in the box / Multiple Challenges   Background: See pictures   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, Denm...

“Triangular Pentagon Puzzle” This puzzle is a exchange puzzle by Jeremiah Farrell for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description Place the pieces within the pentagon without any common sides having the same color.   Background: 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 ...

“Double Pyramid” This puzzle is a exchange puzzle by Václav Obsivac for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description Take the puzzle apart and put it together. 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, France, (inc...

“Reach Open Space” This puzzle is a exchange puzzle by Tatiana Matveeva for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description Open the box.   Background: The puzzle is devoted to the flight of the first man in space Yuri Gagarin performed 50 years ago (April 12, 1961). This gave us the key TO OPEN SPACE.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: fr...

“Ménage à trois” This puzzle is a exchange puzzle by Jan Grashuis for the International Puzzle Party 28 held in Prague, Czech Republic 2008 Objective / DescriptionThe puzzle consists of 12 bars, 6 short and 6 long, that can be connected by 4 magnets on each side. Of these 12 bars 3 rectangles can be formed. The object is to buil dan octahedron of these 3 rectangles so that all rectangles are linked toe ach other.   Packaging: Zip lock bagPreliminary es...

“Oct-3” This puzzle is a exchange puzzle by Marti Reis for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description Assembly the three pieces into the octahedron.   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, France, (...

“Ring of Ilmarinen” This puzzle is a exchange puzzle by Mikko Kiviharju for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description Remove the wooden ring and put it back.   Background: See picture   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 ...

“Tenplate” This puzzle is a exchange puzzle by Luc de Smet for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description Arrange the 10 plates to form a cube.   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. ...

“Woo Tuck Shuet!” This puzzle is a exchange puzzle by Stephen Chin for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description Balance the vessel   Packaging: children's sockPreliminary 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 ...

“Prague Six” This puzzle is a exchange puzzle by Jeremiah Farrel for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description The sixteen pieces are to be arranged into exactly (          (a)  One square                (b) two squares                      (c) three squares (d) four squares               (e) five squares                      (f) six sq...

“Going Square with Circles”   This puzzle is a exchange puzzle by Rob Hegge for the International Puzzle Party 28 held in Prague, Czech Republic 2008   Objective / Description Fit all the pieces in the frame.   History: See picture   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 Is...

“The UTC Puzzle” This puzzle is a exchange puzzle by Nick Baxter for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description 1) Construct a U-pentomino. 2) Construct a T-tetromino. 3) Construct other Challenges 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 Is...

“V’s in Cube” This puzzle is a exchange puzzle by Ad van der Schagt for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description A: Put 4 red pieces into the cubical box and close the cube. B: Put only 3 red pieces into the cubical box so, that the resulting shape will be symmetrical, and close the cube. C: Put 4 blue pieces into the cubical box and close the cube (2 solutions; C2L and C2R are nice mirror solutions). D. Put o...

“Willem’s Puzzle” This puzzle is a exchange puzzle by Jan L. Grashuis for the International Puzzle Party 31 held in Berlin, Germany 2011   Objective / Description Make a 4 by 4 square.   Background: Willem van der Poel designed this puzzle many years ago. Even so long ago that he forgot the ratio behind it. An extra challenge is therefore to find the algorithm behind this puzzle.   Packaging: Zip lock bagPreliminary estimate of shipping costs from th...