This easy-to-assemble Accurail USRA 55-Ton 2-Bay Hopper kit features a one-piece detailed injection-molded body with most details molded in place for durability during operation. Other features include realistic decoration with end reporting marks (on decorated models), underbody details, trucks with Delrin wheelsets, nonmagnetic axles and AccuMate(R) magnetic knuckle couplers. This kit is great for modelers of all skill levels and includes complete instructions.