- Die-Cast Boiler and Tender Bodies - Die-Cast Metal Chassis - Authentic Paint Scheme - Metal Wheels and Axles - Die-Cast Truck Sides - Precision Flywheel Equipped Motor - Remote Controlled Proto-Couplerr - Metal Handrails and Decorative Bell - Die-Cast Boiler and Tender Body - Locomotive Speed Control - Engineer and Fireman Figures - Synchronized Puffing ProtoSmoker System - Constant Voltage Headlight - Proto-Sound 2.0 With The Digital Command System Featuring:- Freight Yard Proto-Effects - Unit Measures:25" x 2 1/2" x 4" - Operates On O-31 Curves