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.
Essentially a deeper cut megaminx at heart, the Pyraminx crystal adds a new twist to the classic puzzle.
Burger King's 2 layer Missing Link type of puzzle, used to promote the Spongebob movie.
SIAMESE & FUSED
Twist and slide the top face of the cube to move the lights until you reach the solution.