: DIY Hydraulic Excavator Robot
Materials: Plastic+ Components
Weight: About 115g
Application: 4-15 Years Old Children
1. The toy uses the knowledge about the hydraulic principle and lever principle to finish the operation,
2. Encourage kids to improve their operating ability.
3. DIY design helps kids to develop their logical thinking ability.
4. It develops kids' interest in learning.
1* DIY Hydraulic Excavator Robot
and lets the kids know more about the hydraulic principle and lever principle.