Rapidly expanding collection! I've told my wife that it's not my fault!
2X2X2
3X3X3
4X4X4
5X5X5
6X6X6 & UP
CUBE (SHAPE PRESERVING)
CUBE (SHAPE CHANGING)
RHOMBOHEDRON
CUBOID
OTHER SIX-SIDED
OCTAHEDRON
DODECAHEDRON
RHOMBIC DODECAHEDRON
OTHER TWELVE-SIDED
FOUR
FIVE
TEN
FOURTEEN
TWENTY
OTHER N-SIDED
PUCKS
CYLINDER
ROUND CONVEX SHAPES
OTHER SHAPES
MOVING HOLE
MOVING MARBLES
MOVING TILES