8 - 99 years
Flip & rearrange all 9 Color Cubes on the 3 x 3 tray until each color appears once in every row and column. It will take more than a couple 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!
ThinkFun is the world's leader in mind-challenging toys, puzzles, and games. Founded in 1985, ThinkFun produces addictively fun games that strengthen and sharpen the mind! A respected global company, ThinkFun's games are represented in over 60 countries and translated into over 20 languages.