Product Overview
1. Material: Plastic
2. Specification: 4 pieces / set
3. Features: nut disassembly, puzzle DIY, simulation ratio, inertial characteristics
4. Weight: about 322g
5. Applicable age: children (3-6 years old)
6. Ability training: intellectual development, hands-on brain, hand-eye coordination, parent-child interaction
Specification:
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