It has durable plastic construction and comes assembled

passenger safety in the tunnels approaching these buildings demanded a more noncombustible material

It has plastic construction and features knuckle couplers

- Operating knuckle couplers

MTH 30-20425-1 O Amtrak Genesis Diesel Engine With Proto-Sound 3.0 #42 DwDetails-1.50-1.00-16.30-8.00-6.00-4 It has durable plastic constructionThis is an MTH 30204251 O Amtrak Genesis Diesel Engine With Proto Sound 3. 0. Features: Intricately Detailed ABS Body. Diecast Truck Sides, Pilots and Fuel Tank. Metal Chassis. Metal Horn. Metal Wheels, Axles and Gears. (2) Remote Controlled Proto Couplers. Prototypical Rule 17 Lighting. Directionally Controlled Constant Voltage LED Headlight. (2) Precision Flywheel Equipped Motors. Onboard DCC Receiver. Locomotive Speed Control In Scale MPH