Intricately Detailed, Durable ABS Bodies Metal Wheels and Axles Die-Cast 4-Wheel Trucks Overhead Interior Lighting Operating Die-Cast Metal Couplers Colorful, Attractive Paint Schemes End-of-Car Diaphragms Fast-Angle Wheel Sets Needle-Point Axles Detailed Car Interiors Unit Measures: 16 11/16" x 2 1/2" x 3 5/16" Operates On O-31 Curves