Intricately Detailed, Durable ABS Body Metal Wheels and Axles Die-Cast 4-Wheel Trucks Operating Die-Cast Metal Couplers Colorful, Attractive Paint Schemes Decorative Brake Wheels Separate Metal Handrails Fast-Angle Wheel Sets Needle-Point Axles Unit Measures: 13" x 2 7/16" x 3 5/8" Operates On O-31 Curves