Hydraulic Mechanical Arm DIY Models Building Toy Science Educational Model Toy Children Birthday Gift

Description

Features 1.Wood material，eco-friendly and non-toxic，safe for use，Let the child understand how the robotic arm works. 2. Cultivate children's ability to use both hands and brain，Allows children to experience the fun of DIY. 3. Hydraulic transmission is a kind of transmission mode that uses the pressurized liquid in the closed system to transfer motion and power. 4. 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. 5. 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. Specification Color: wood color Material:wooden Size: about 53*12*30cm 10cm=100mm=3.94inch Package List 1 set * mechanical arm DIY toys Only the above package content， other products are not included.

• Brand: Unbranded
• Category: Pretend Professions & Role Playing

• Fruugo ID: 225766692-481749729
• EAN: 953297459887
• Sold by: Shenzhenshitaixikejiyouxianzerengongsi