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Hydraulic Excavator DIY Student Technology Small Production Science and Education Toy Model Science Experiment Toy

From $8.99

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  • Description

    Product Name :Hydraulic Excavator
    Preparation tools: no need to bring your own tools
    Age-appropriate stage: greater than 8 years old
    Power demand: manual operation
    Product use: Exercise the child’s manual brain, understand the mechanical structure, learn the hydraulic transmission
    Principle: Hydraulic transmission is a transmission method that uses pressurized liquid in a closed system to transmit motion and power. It first converts mechanical energy into pressure energy of the liquid, and then
    The energy of the water passing through the piston and the pressure of the water can be converted into mechanical energy by the pressure energy of the liquid between the subtotals
     
     
    colour:Wood color
    Material:wood
    size:50*12*30cm
     
     
    Package Contents:
    1* Hydraulic excavator
    Only the above package content, other products are not included.
    Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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