Description: Interesting graphic design.Great toy for preschool kid, also for car and air travel. Safety and quality material, environmental.Reliable quality, all pieces have been sanded smooth. Improve the ability of baby transformation of thinking ability and hands and brain. Educate baby to correctly identify all sorts of numbers.Promotes hand-eye coordination and problem-solving skills,helps develop matching skills. This puzzle is helping with hand-eye coordination, attention concentration, teaches children to recognize numbers correctly. Specification: Size: Bottom plate: 16x10cm/6.3x3.94inch Ball: 1cm/0.39 inch in diameter Material: Wooden Package Includes: 2 Pieces Bottom plates 1 Piece symbol building block 40 Pieces balls 20 Pieces Alarm Clock Building Blocks 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!