1. Material: wooden
2. Weight: about 220g / piece
3. Size: about 9.5×9.5×4.3cm
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.