1. Material: wooden 2. Weight: about 240g square, 200g round, 200g triangle 3. Size: square about 14.5x12.5x2.5 cm, round about 15.5x13x2 cm, triangle about 14x12x2 cm 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.
