Get a move on with this miniature DC motor
This motor is a small size which is commonly used in toys. The motor has relatively low current draw considering its small size and has a respectable amount of torque. This motor will turn from a power supply of anywhere between 1 and 6 volts DC
What about Arduino?
This motor size is commonly supplied in a lot of Arduino kits. The motor does require some circuitry to drive it as the Arduino cannot safely supply enough current to drive the motor.