UNION PACIFIC Features: * Limited edition - one-time run of these roadnumbers! * Based on cars in service late 1960s to present * Prototypes corrugated side panels resist dents & damage * Used for rough loading & handling of scrap, steel & similar loads * Two car numbers per roadname * Correct 36" turned-metal wheelsets * Proto MAX(TM) metal knuckle couplers WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.