Start with clues from one of the 104 puzzle cards, and then try to place a single ball of each color in every row, in every column, and in every 3 x 3 box. The ColorKu Game board and colored balls are made from high-quality solid wood; 13.5" square.
Warning: Choking Hazard
This toy is a small ball. Not for children under 3 years.Toy contains a small ball. Not for children under 3 Years.