Pair of 3-6VDC motors Mounted in plastic housings with 2-1/2" dia. X 3/4" foam rubber wheels used to accelerate toy cars on track. Appears to use 2 or more "C" or "D" cells. Wiring harness has 2 Battery contacts and a 3 position switch. In one position a diode is connected in series with the motors to reduce the voltage. Motors & housings are almost identical with the exception of one motor has a small belt drive hub.
Each L: 3-3/8" W: 3-1/4" H: 2-3/4" WT: .7
