Thinkfun Color Cube Sudoku
Color Cube Sudoku is a brilliant re-imagining of the classic Sudoku puzzle using colors instead of numbers. Flip and arrange your nine 3-D color cubes in a 3x3 tray until no colors repeat in any row or column. Once you've conquered the traditional Sudoku pattern, give your brain a real workout with the fun Bonus Challenges! With over 2 trillion different ways to position the cubes, it's more challenging than it may appear. Ages 8 and up, single player.