1. Material: wooden
2. Weight: about 250g/set
3. Size: wooden box about 16.3x6.5x6cm
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 and learning ability.
7. Packing includes: octagonal ball, pyramid, soma cube, wooden box