These specialized cars were actually three complete tanks riding on one frame. They could be used to ship different types of petroleum products, such as gasoline, kerosene and home heating oil, or different grades of gasoline such as regular, super and premium to smaller customers from the 1920s to the 60s. Colorful and completely assembled, the models feature body-mounted EZ-Mate II(R) knuckle couplers.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov