- Metal Wheels and Axles - Caboose Interiors With Overhead Lighting - Die-Cast 4-Wheel Trucks - Operating Die-Cast Metal Couplers - Colorful, Attractive Paint Schemes - Fast-Angle Wheel Sets - Separate Metal Handrails - Needle-Point Axles - Stamped Metal Floors - 1:48 Scale Dimensions Unit Measures: Operates On O-31 Curves