- Intricately Detailed ABS Body - Colorful Paint Scheme - Metal Chassis - Die-Cast Truck Sides, Pilots and Fuel Tank - Metal Wheels, Axles and Gears - (2) Remotely Controlled Proto-Couplersr - Metal Handrails and Decorative Horn - (2) Precision Flywheel Equipped Motors - Locomotive Speed Control - Proto-Sound 2.0 With The Digital Command System Featuring:- Freight Yard Proto-Effects - Unit Measures:17 1/2" x 2 5/8" x 3 7/8" - Operates On O-31 Curves