$15.99 $16.35 You Save 2% ($0.36)
"Build and play with the Diy Stem Toy Hydraulic Mechanical Arm. Learn about hydraulics while having fun with this hands-on toy. Get creative and see what your arm can do (bend, lift, and more)! Adjustable and customizable for endless possibilities. STEM education has never been this entertaining!"
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
Hydraulic transmission is a kind of transmission mode that uses the pressurized liquid in a closed system to transfer motion and power
The mechanical energy is converted to the pressure energy of the liquid, and then the pressure energy of the liquid is converted to mechanical energy
Push 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
Color: wood color
Material: Wooden
Size:53*12*30cm
Shipping Info:
- Estimated Delivery Time: US 15-25 Days; Worldwide 15-30 Days