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

Calvin's Puzzle
Stair CubeTwo layers of different windmill cubes combines with the middle layer of a Fisher Cube.
Star CubeThe technique of transforming an Octagonal Prism into a Fishers Cube applied to a standard 3x3x3.
Super I-CubeThe I-Cube from Calvins Cuboid series with one circle on the non-extended sides.

Super L-Cube HybridThe L-Cube from Calvins Cuboid series with circles on four sides.
Super T-CubeThe T-Cube from Calvins Cuboid series with three circles on the non-extended sides.
Super Temple CubeThe Temple Cube from Calvins Cuboid series with a circle on the non-extended side.

Trigonal Trapezohedron 3x3x3A truncated and extended 3x3x3 in the shape of a trigonal trapezohedron.
Truncated Dueling TetraA 3x3x3 in shape of a stellated tetrahedron but with truncated tips.
Twist CubiesA 3x3x3 which still has 6 sides but an additional twist.

Twister IIA Fisher cube which still has 6 sides but an additional twist.
Two-Colour 4x4x4 for the BlindPieces of two different 4x4x4s with different piece sizes put into one new cube.
Ultra Master MagicA custom made Rubiks Magic with 20 tiles. The creator designed at least 4 different variants.

Void Dino CubeThe first Void Dino Cube in the world.
Walled Fisher Windmill (WFW) CubeTwo layers of a Fisher Cube combined with the middle layer of a Windmill Cube.
Windmill Wall Cube ITwo layers of a Windmill Cube combined with a 3x3x3.


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