Description: Memory Exercises: Hand-eye coordination, memory exercises, quantity cognition, color cognition. Game Rules: Set a score goal: whoever reaches the target will win, and the score rule: install the colored beads and the numbers of the chessboard to calculate. For example, the blue ball falls into the hole in the upper right corner, and the score is displayed as 100, it is necessary to subtract the penalty of the blue ball from the other colored balls with a total score of 100, and whoever reaches the target will win this time. General Description: Colored beads: primary color balls are not doubled, yellow and red are doubled, and the points obtained in blue are deducted, and the colored bumps on the game board: blue deductions, red and orange, doubles. Wooden competition game, exercise children's observation, concentration, and memory. Made of quality wooden material, abrasion resistant and durable, baby can learn more knowledge in the ! Specification: Material: Wooden Size Chart: 22x22x4cm/8.66x8.66x1.57inch Package Includes: 1x Wooden Checkerboard Set Compass Game Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful line shopping!