2X2X2
3X3X3
3X3X3 (PICTURE)
4X4X4
5X5X5
6X6X6 & UP
CUBE (SHAPE PRESERVING)
CUBE (SHAPE CHANGING)
CUBOID
OCTAHEDRON
OTHER EIGHT-SIDED
DODECAHEDRON
RHOMBIC DODECAHEDRON
FOUR
FOURTEEN
TWENTY
OTHER N-SIDED
SPHERE
CYLINDER
ROUND CONVEX SHAPES
STAR
OTHER SHAPES
MOVING HOLE
MOVING MARBLES
MOVING TILES
SIAMESE & FUSED
FOLDING
ELECTRONIC
PATTERN MATCHING
OTHER MECHANISMS
BOOKS
GAMES
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