This ready-to-run N Scale 50′ Plug-Door Boxcar from Micro-Trains(R) is based on cars built beginning in the 1940s and used into the l990s. Plug-door boxcars were typically insulated for loads requiring relative constant temperatures. Models include free-rolling Delrin(R) trucks with contoured axles, truck-mounted Magne-Matic(R) couplers and diecast metal underframes or interior weights. Cars also include thin-profile foot stirrups, brake wheels and fine decoration. This 50′ Plug-Door Boxcar is one of many Micro-Trains N Scale freight cars.WARNING: This product can expose you to chemicals including Bisphenal A, 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