1. Material: wooden
2. Size: 18x12x0.8cm
2. Weight: 90g
3. Double-sided cognitive puzzle, more abundant
4. Every pairing is an enhancement of hands-on ability
5. Balance contest, the higher the stack, the higher
6. Laser engraving with zero burr
7. Packing method: blister
8. HD heat transfer process
9. Applicable age: 36 months and above
10. Note: there is single picture puzzle, double-sided pattern