This Bachmann HO Scale Silver Series ore car is based on solid-bottom cars used to haul heavy ores of various kinds. The steel cars were unloaded by rotary dumpers at their destination. The Ore Car features an injection-molded body, finely applied decoration, blackened metal wheels for operation on Code 70 and larger rail and E-Z Mate(R) magnetic knuckle couplers. The Ore Car is part of the extensive line of Bachmann HO Scale freight cars.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