Get cubed with the RUBIK’S REVENGE 4x4 cube-shaped puzzle! The best-selling strategy puzzle in history continues to challenge old and young alike with 43 quintillion combinations! A fourth row has been added to each side of the cube, but it can still be solved in incredibly few moves. It’s unique turning action and simple color concept make the Cube the world’s number one puzzle – and gives you hours of challenging fun! Can you solve the Cube? Cube comes with hints booklet.