Unleash their creativity and imagination. This color is better than others and has some flexibility, making it safer to use. Your kids prefer this one, good quality, comfortable in hand, easy to hold, you can use it safely. Cultivate your baby's logical thinking ability. Practice cooperation skills and improve hands-on skills. Promotes hand-eye coordination and stimulates sensory development. Develop brain thinking and recognize different colors. Design skills, hand-eye fusion, development and enhancement of visual perception, visual motor coordination, decision-making patterns and multiple shapes, basic math skills such as counting, addition and subtraction and shapes. Your kids won't even notice they're learning because they're "playing." Due to manual measurement, there may be some errors in size and weight. Due to differences between monitors, colors may vary slightly. Shipping Quantity: 1 PieceProduct color: as shownProduct size: chessboard 8.5*8.5cm