1. Material: wooden 2. Applicable age: children (3-6 years old) 3. Function: exercise childrens hands-on ability, thinking ability, number cognition, letter cognition 4. Packing method: color box 5. Made of solid wood, strong and durable, not easy to break 6. Round and smooth, no burrs, safe and secure 7. Bright colors, not easy to fade, no peculiar smell