Description: Common Gameplay Rules: With three challenge cards and one board, two people are required to randomly select the card they want to challenge, and then press the switch to make the colored balls roll down, start timing, and arrange them according to the colored balls of the card. The shortest time wins. You can also play a game where the colors of the same module are eliminated, and it depends on who eliminates more. The rules are diverse, Open your imagination fully! Color Balls: cultivate children's color cognition, reaction speed and hands-on ability. Eliminate interest and strengthen thinking. A Popular and Fashionable toy for enjoying parent-child time and family interaction. Specification: Material: Plastic Size Chart: 28 x 24.5 x 10 cm / 11.02 x 9.65 x 3.94 inch Package Includes: 1 Piece Plastic Game Console 3 Pieces Challenge Cards 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 on-line shopping!