No pencil needed! Colorful glass marbles replace numbers in this mega-fun tabletop version of the addictive logic puzzle. Play solo or together as a family-either way, it"s great for teaching kids about deductive reasoning, strategy, and the process of elimination. Includes wooden game board, 81 marbles in nine colors, muslin pouch, and instructions. Glass marbles replace numbers in this Sudoku game Play solo or as a family game Teaches kids deductive reasoning, strategy and the process of elimination Includes wooden game board, 81 marbles, muslin pouch, instructionsFor ages 8 and upSize9-1/4" sq.