Two-Wheeled Self-Balancing Robot stem kits for kids

Physical STEM Science Kits Specifications:
Material: Wood, Plastic
Overall height: about 125mm
Overall length: about 97mm

Overall Width: about 88mm

Weight: about 95g

Suitable age: 4 years old+
Ability development: physical and mental exercising, interest training, intellectual development, emotion, parent-child communication, interactive toys

Balancing robot to axle as the center line, axle below the motor and battery, only T frame above the axle, the weight of the lower than the upper heavy, heavy side will always be down, this is the walking principle of the balance robot