Flip the Cubes Solve the Puzzle Flip & rearrange all 9 Color Cubes on the 3 x 3 tray until each color appears once in every row & column It will take more than a coupe flips of a cube to master this brilliant Sudoku puzzle Once you&ve conquered the traditional Sudoku pattern give your brain a real workout with our fun Bonus Challenges! Brilliant re-imagining of the classic Sudoku puzzle using colors instead of numbers Flip & arrange your nine color cubes until no colors repeat in any row or column With over 2 trillion different ways to position the cubes it&s very challenging to find even one of the half a million solutions Bonus challenges included For ages 8 to Adult Single player