I've collectd so many cubes and rings and items. I've moded my nw cubes and then modded some for my friends. I love my collection
2X2X2
3X3X3
3X3X3 (PICTURE)
4X4X4
5X5X5
CUBE (SHAPE PRESERVING)
CUBOID
OCTAHEDRON
OTHER EIGHT-SIDED
DODECAHEDRON
RHOMBIC DODECAHEDRON
FOUR
TEN
FOURTEEN
OTHER N-SIDED
SPHERE
CYLINDER
ROUND CONVEX SHAPES
STAR
HEADS & OBJECTS
OTHER SHAPES
MOVING HOLE
MOVING MARBLES
MOVING TILES
SIAMESE & FUSED
PATTERN MATCHING
OTHER MECHANISMS
BOOKS
MECHANISM PICTURES
UNKNOWN