Only US $17.34 DIY Robotic Arms Children Popular Science Experiment Steam STEM Toy Sets Learning Toy For Kid Chris

DIY Robotic Arms Children Popular Science Experiment Steam STEM Toy Sets Learning Toy For Kid Chris

[32945793883] Surwish DIY Robotic Arms Children Popular Science Experiment Steam STEM Toy SetsFeatures:.This is a robotic arm model assembled by children themselves - by playing with the product, it will enhance children's hands-on and thinking skills..Helping children learn about hydraulic transmission and understand the basic structure of the mechanical arm - hydraulic machinery is a machine tool, using hydraulic transmission to do simple work..Heavy equipment is a common example.Usually in a hydraulic system, a liquid is an incompressible fluid, such as water or oil. In a rigid container, the piston is used to apply pressure on the liquid so that the liquid presses on another piston to provide energy..If the two pistons are different, then the force applied to the first piston will be different from the force applied to the second, which is the advantage of machinery..The product has exquisite workmanship, using the environmental protection non-toxic material to make the spraying perfect..The surface is free from potential safety hazards such as blade and burrs..The product is suitable for people over 8 years old.Specifications:.Color: As Shown.Material: Plastic.Product Size: 24*13*17.5cm.Product Weight: 330g.Package Dimensions: 17.15*22.23*9.53cm.Package Weight: 350g.Packing: Graphic CartonPackage Content:.1Set x STEM Toy