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Oskar van Deventer
Puzzles designed by Oskar van Deventer
Oskar Key puzzle. 55 steps to solve.
Pickup currently not available
Default Title
Simple Looking but Tricky Inward Ring Puzzle.
Bolted Soma designed by Oskar van Deventer
Zigguchain puzzle designed by Oskar van Deventer
Zigguchain
WWW Cube. Can You Pack Them All?
Screwww packing puzzle
Big Ball – 840 Piece Giant Sphere Assembly Puzzle
Pentomino DOT - Pentomino based packing puzzle
Oskar's Mug
Big Gray Mug
Ziggustretch puzzle. Take it apart and assemble back together.
Plunging Piston puzzle.
Marble Castle XL
Small