Made to simplify shipping small quantities of petroleum products, these cars wore some very colorful schemes during their long working careers. Models are designed for O-27 curves and feature durable ABS bodes, die cast trucks, metal wheels, operating couplers, plus a metal floor and brake wheel.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