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Smart Robot Car Tyre Wheel Gear Motor Set DC 3-6V is any of a class of rotary electrical machines. 3-6V gear motor with tire wheel that converts direct current electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields. Nearly all types of DC motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current in a part of the motor.
These are new robotic car wheels for your smart robot car. These are hollow, middle muster, shock effect, pattern beautiful, deep engraving effect. These are best for your robot care stability.