Online since 2002. The most comprehensive site for all around twisty puzzles.

Master OctahedronOctahedral version of the 5x5x5 with some part obmitted.
Minimal permutations 2x2x2A 2x2x2 restickered to achieve a number of permutations as small as possible.

Nine Color Scramble CubeNine sets of stickers with 6 stickers each distributed over a 3x3x3. The goal is to completely scramble this variant.
Problemas de lecturaUn modelo de evaluación e intervención basado en el Cubo di Rubik.
Pyramorphix MikrocentrumPromotional item for the Mikrocentrum in Eindhoven, Netherlands.

Quads 3A straightforwardly bandaged 3x3x3 with 3 1x2x2-blocks.
Rex BallA Rex cube in shape of a truncated icosahedron, an archimedean solid.
Rhombic Triacontahedron MegaminxA megaminx in shape of the name giving solid.

Rubik's Cube (Winning Moves)2005-version by Winning Moves.
Rubik's Perpetual Calendar - Japanese (custom)A custom made calendar cube. This one features japanese symbols.
Ruby Calendar CubeA custom calendar cube with Japanese and englisch.

Ryn Siwon 2x2x2A 2x2x2 stickered with different views of a korean singer.
SkewbrickA Siamese Skewb with transformed shape.
Swarovski CubeA 3x3x3 covered with swarovski crystals instead of stickers.

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