Colorku Sudoku In Color

ColorKu: join the craze that's sweeping the nation! ColorKu also allows you to solve any sudoku puzzle using color. Start with one of the 104 puzzle cards- then get one of each color in every row- in every column- and in every 3 x 3 box. Quality wood playing board with 81 wood marbles in 9 colors. Over 100 puzzle cards with levels of difficulty (and solutions). Solve the puzzle alone or with a friend. Ages 8 small ball. WARNING: Choking Hazard - Small Parts. Not for Children under 3 yrs.