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 Fast-Angle Wheel Sets Needle-Point Axles (9) Piece Pipe Load Unit Measures: 13" x 2 3/8" x 3 1/2" Operates On O-31 Curves