hydraulics Mechanical Arm Diy Models & Building Toy Science &Education Model Technology Toy For Children Gift Toy Scienc

What is hydraulics transmission hydraulics transmission is a kind of transmission mode that uses the pressurized liquid in the closed system to transfer motion and powerThe mechanical energy is converted to the pressure energy of the liquid and then the pressure energy of the liquid is converted to mechanical energyPush the piston rod of the cylinder by hand to transfer energy to water through the piston Water pressure can be transferred to the mechanical arm through the piston rod of the small needle cylinder Specification Color wood colorMaterial woodenSize 53 12 30cm Feature Wood material eco friendly and non toxic safe for use Let the child understand how the robotic arm works Cultivate children s ability to use both hands and brain Allows children to experience the fun of DIY Cultivate scientific knowledge Select high quality green environmental wood safe and environmental friendly Package include 1X hydraulics Mechanical Arm Diy Models