Rubiks Cube Puzzle 4x4 (CAA721098)

Challenge your mind, and resolve, with the Rubik's 4 x 4 puzzle cube. Skills that you may have gained mastering the 3 x 3 now require a completely new set of skills to solve the 4 X 4. Are you up to the challenge? Since their original release in the mid-1970s, combined, more than 250 million Rubik's Cubes have been sold worldwide. With thousands of combinations but only one real answer, this game will test even the toughest puzzle enthusiast!