(C)MegaHouse Corporation

To play, first rotate the cube and create a new shape. The goal is to return the toy to its original 3-D shape. Rubik's Mirror Blocks is the brainchild of a Japanese puzzle designer. Because the pieces are all the same color but slightly different sizes, it's very difficult to solve the puzzle.

(C)GENTOSHA EDUCATION inc.

Void Cube is another six-sided puzzle that has been creating excitement. Like a Rubik's Cube, each side is a different color and to solve the puzzle you must get all of the pieces on each side to be the same color. There is one catch, however. There are no center pieces.