1. Material: wooden 2. Weight: about 290g/set 3. Size: about 17.5x6.5x5cm 4. Applicable age: 6 years old and above 5. Function: exercise spatial thinking ability 6. Features: safe material, fun and interesting. Fine workmanship, no burr, smooth surface. It can exercise children hands-on ability, enhance children learning and hand-eye coordination ability.
