Oskar_van_Deventer

M. Oskar van Deventer is the creator of hundreds of innovative mechanical puzzle designs, several of which are commercially available.

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  • Designer
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Cross Rings
by Oskar_van_Deventer
Size 8, 18.54 mm inner diameter. This puzzle ring is a design by Bram Cohen. Bram writes: "It has basically a a single trick, but that trick i...
 
(11)  
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From: $13.40
 
Weave Five in metal
by Oskar_van_Deventer
Size 8, 18.54 mm inner diameter. Innovative five-band ring design by Bram Cohen.Metal version <-- THISNylon versionWatch the YouTube video of th...
 
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From: $60.08
 
Oh Cube
by Oskar_van_Deventer
Oh Cube is a twisty puzzle, similar to Rubik's Cube. However, it turns in some strange way, turning around corners and pieces sliding under and ove...
 
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From: $173.12
 
Holistic Ring metal
by Oskar_van_Deventer
Holistic Ring was designed by Bram Cohen. He decided to come up with a design which has a nice holistic finishing move. This is the metal version...
 
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From: $36.43
 
The Heptagon
by Oskar_van_Deventer
The Heptagon is a twisty puzzle of the "Hockey Puck" type. It has seven-fold symmetry and it jumbles, which results in some unexpected st...
 
(14)  
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From: $77.49
 
Twisty Tree
by Oskar_van_Deventer
Twisty Tree is a fractal twisty puzzle. Any leaf can change place with any other leaf after some turns. Watch the YouTube video Read at the Shapew...
 
(14)  
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From: $370.42
 
Void 6x6x6 READ INSTRUCTIONS
by Oskar_van_Deventer
Void 6x6x6 is a twisty puzzle, inspired by Katsuhiko Okamoto's famous Void Cube, a hollow version of Rubik's Cube. This 6x6x6 version introduces a...
 
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From: $498.58
 
Cooksey Maze
by Oskar_van_Deventer
Cooksey Maze is a maze concept invented by an Englishman named "Mr. Richard Cooksey" in the 1970's. An evolved metal+plastic version with...
 
(5)  
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From: $65.89
 
More Madness
by Oskar_van_Deventer
More Madness is a deeper cut version of Meteor Madness, both of which are based on the geometry of a Triangular Di-pyramid. Bram Cohen calls this s...
 
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From: $163.84
 
Redi Cube
by Oskar_van_Deventer
Redi Cube is a twisty puzzle, similar to Rubik's Cube. Here, the pieces turn around the cube corners. For the experts: the mechanism has some simi...
 
(16)  
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From: $314.93
 
Medal
by Oskar_van_Deventer
Medal is a mechanical puzzle maze. The object is to turn the two maze plates and to pull the metal apart in four pieces.
 
(6)  
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From: $43.31
 
Fairly Fudged
by Oskar_van_Deventer
Fairly Fudged is based on the same strange geometry as the Fairly Twisted puzzle elsewhere in the OskarPuzzles shop. In this version, also the pent...
 
(8)  
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From: $159.51
 
Dumbbell Cube READ INSTRUCTIONS
by Oskar_van_Deventer
Dumbbell Cube is a challenge for intellectual weight lifters. This puzzle has two Rubik's Cubes that are connected through an intricate gear system...
 
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From: $575.46
 
Mixup Cube 5x5x5 READ INSTRUCTIONS
by Oskar_van_Deventer
Mixup 5x5x5 is a twisty puzzle where many more pieces can swap place than one would expect. The puzzle has 262 pieces, of which 66 inter-swappable ...
 
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From: $283.73
 
Illegal Cube
by Oskar_van_Deventer
Illegal Cube is a puzzle that should not be allowed to exist. This 'cube' has two corners and three edges too many, and two pentagonal faces. Still...
 
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From: $156.66
 
Alex Black Hole
by Oskar_van_Deventer
Alex Black Hole is based on a sliding-cube idea by Alex Polonsky. There are seven cubes around a sphere with grooves. The object is to scramble the...
 
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From: $90.12
 
The Pentagon
by Oskar_van_Deventer
The Pentagon is a pentagonal equivalent of the 2x2x2 Rubik's Cube. The pieces are a bit hollowed out so they can turn smoothly over and under each ...
 
(11)  
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From: $82.54
 
Even Less Gears! CAUTION EDGES ONLY
by Oskar_van_Deventer
Even Less Gears is a variation of my Gear Cube and Gear Cube Extreme, both produced by Mefferts.com. Gear Cube is a Rubik's Cube with 12 geared edg...
 
(5)  
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From: $33.40
 
Chilen Cube
by Oskar_van_Deventer
Chilen Cube was suggested by Chilen Chen on the Twisty Puzzles Forum. It can be considered a deep-cut Pentagonal Prism.Watch the YouTube video.Read...
 
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From: $122.51
 
Floppy 2x3x3 Turnable Center
by Oskar_van_Deventer
These two parts can be used to replace the rigid core of the Floppy 2x3x3 puzzle.
 
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From: $41.29
 
Geared 5x5x5 READ INSTRUCTIONS
by Oskar_van_Deventer
Geared 5x5x5 is a higher-order variation to the Gear Cube. A set of gears make an inner layer turn at half the speed of an outer layer. This way, t...
 
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From: $402.09
 
Gear Snake
by Oskar_van_Deventer
Gear Snake is a concatenation of four 2x2x2 Rubik's Cubes. The puzzle is build around four commercial 2x2x2 Eastsheen cubes. Because of the gears, ...
 
(12)  
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From: $321.54
 
Twist & Slide
by Oskar_van_Deventer
Rubik's Cube and the 14-15 sliding square puzzle are the most popular mechanical puzzles of the 20th and 19th century, respectively. What could be ...
 
(8)  
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From: $138.94
 
Icosaix READ INSTRUCTIONS
by Oskar_van_Deventer
Icosaix is a face-turning icosahedron twisty puzzle. Previous versions by Jason Smith and Bob Hearn worked well, but showed many tiny pieces at the...
 
(3)  
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From: $316.22
 
Uncanny Cube
by Oskar_van_Deventer
This twisty puzzle is an idea of Bram Cohen. The puzzle has an uncanny resemblance with a Rubik's Cube, but it has a twist. It has only five rotati...
 
(13)  
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From: $142.08
 
Big Chop
by Oskar_van_Deventer
Big Chop is a twisty puzzle like Rubik's Cube. It was named by Bram Cohen. The object of the puzzle is tor scramble the 120 pieces and try to turn ...
 
(12)  
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From: $233.33
 
Gear Minx
by Oskar_van_Deventer
After seeing my Gear Cube, several people have suggested to me to build gears into a Megaminx. Such suggestions have been done both privately and p...
 
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From: $210.04
 
Number Planet
by Oskar_van_Deventer
Number Planet is a twisty puzzle based on the Mathieu 12 group. Rubik enthousiasts will discover that they need a new solving approach to tackle th...
 
(14)  
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From: $384.69
 
Fairly Twisted
by Oskar_van_Deventer
Fairly Twisted is a twisty puzzle that defies all rules. It has seven turning faces, eleven edges and seventeen corners. It has some local five-, f...
 
(10)  
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From: $252.31
 
WimTvane
by Oskar_van_Deventer
WimTvane is an object that moves in the wind, being unstable in all directions. It is dedicated to my father, Wim T van Deventer, who turned 70 in ...
 
(14)  
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From: $71.48
 
Nested Cube
by Oskar_van_Deventer
Nested Cube has two 2x2x2's, one inside the other. However, the two 2x2x2 can not move independently, as two outer corners are connected to two inn...
 
(5)  
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From: $112.35
 
Geary Cube
by Oskar_van_Deventer
Geary Cube is a Rubik's Cube with gears inside. This way, opposite sides always turn in opposite direction. As a result, the cube always displays n...
 
(11)  
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From: $248.30
 
Pentastick READ INSTRUCTIONS
by Oskar_van_Deventer
Pentastick is based on an idea by David Pitcher, posted at the Twisty Puzzles Forum, and enhanced by Eitan Cher, Anthony Villaveiran and Carl Hoff...
 
(4)  
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From: $235.64
 
Futtminx READ INSTRUCTIONS
by Oskar_van_Deventer
Futtminx is a tribute to the brilliant Tuttminx design by Lee Tutt, and mass produced by Leslie Lee / VeryPuzzle. The hexagonal faces of the origin...
 
(4)  
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From: $237.83
 
Kilominx
by Oskar_van_Deventer
Kilominx is an idea by David Litwin. He built his first Kilominx as a mod of a commercial Megaminx puzzle. The object of this puzzle is the same as...
 
(4)  
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From: $199.98
 
Mixup 2x4x4
by Oskar_van_Deventer
Mixup 2x4x4 looks like an "ordinary" 2x4x4 twisty puzzle. It is not. This puzzle can be mixed up in all kinds of unexpected directions. ...
 
(5)  
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From: $141.38