Intricately Detailed, Durable ABS Body Stamped Metal Floors Metal Wheels and Axles Die-Cast 4-Wheel Trucks Fast-Angle Wheel Sets Needle-Point Axles(2) Operating Die-Cast Metal Couplers O Scale Kadee-Compatible Coupler Mounting Pads Caboose Interiors With Overhead Lighting Detailed Brake Wheel Separate Metal Handrails Brakeman Figure 1:48 Scale Dimensions Unit Measures: 10 3/4" x 2 3/4" x 4" Operates On O-31 Curves