Age 8+ Order the ColorKu Add On to play ColorKu on the TicTacKu game board. If you're a fan of Sudoku, you and your family will love this colorful alternative. Instead of using numbers to solve the puzzles, ColorKu uses brightly colored wooden balls. Colorku is a logic-based number placement puzzle. The object of the game is to fill a 9x9 grid with colored balls so that every row and column have a ball of each color with no repeats and each 3x3 grid has a a ball of each color with no repeats. The puzzles start with a partially completed grid and the players must fill in the rest. Skills Strategy Problem- solving skills Group play Contents 81 balls in 9 different colors 104 puzzle cards (5 levels of difficulty) Solutions Color conversion card Storage bag & box
