Intricately Detailed, Durable ABS Body Metal Wheels and Axles Die-Cast 4-Wheel Trucks Fast-Angle Wheel Sets Needle-Point Axles(2) Operating Die-Cast Metal Couplers Detailed Brake Wheel Removable Lumber Load Near-Scale Proportions Unit Measures: 11 5/8" x 2 1/4" x 3 3/4" Operates On O-31 Curves