These are a pair of right angle, hobby gearmotors from DAGU. These gearmotors are the same ones utilized in the Magician Chassis and RedBot Kit and offer a cheap and easy to use setup to get your wheels turning. Due to these gear motors being at a right angle, you will also be able to track and control the rotation of your wheels!
Each gearmotor requires a voltage of 3-6V with a no load current of 200mA while possessing a stall current of 3A@6V (1.5A@3V), a gearbox ratio of 48:1, and a wheel speed of 65 rpm at 3V unloaded.
These gearmotors are sold in packs of two.