limited offer US $9.95 Happyxuan DIY Technology Gadgets Pulling Robot Construction Set Kids Science Experiment Education F

Happyxuan DIY Technology Gadgets Pulling Robot Construction Set Kids Science Experiment Education F

[32975892129] Happyxuan Robotics Learning Kits DIY Technology Gadgets Pulling Robot Construction Set Kids Experiment Education Physics Lab Toy Material: wood Product size: 16*11.5*6.5 cm (6.3*4.53*2.56 inches) Suitable age: over 5 years old Principle:The chemical energy in the batteryconverts to the kinetic energy of the motor, which transfers the energy to the motor shaft through the gear. The motor shaft drives the two legs of the robot to do alternately moving forward. Note: the price is for 1 set. The batteries are not included. Note: A few gaps should be left between the sleeve and the leg to facilitate the movement of the leg. Attention the places of wires. You can design the robot by yourself. 

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