CUBE (SHAPE PRESERVING)
a dollar store 3x3x3 with extended pieces (not fully-functional)
CUBE (SHAPE CHANGING)
The Bump Cube is a simple 3x3x3 Rubik's cube, but with an interesting twist. It spawned a whole series of puzzles and created a verb of its own.
This is a newer version of the Megaminx, published by Meffert, with tiles and 12 distinct colours.
Six coloured balls have to be moved in their matching domes.