Intricately Detailed Durable ABS Spine Car Bodies Metal Wheels and Axles Die-Cast 4-Wheel Trucks Operating Die-Cast Metal Couplers O Scale Kadee Compatible Coupler Mounting Pads Colorful, Attractive Paint Schemes Fully Assembled & Ready-to-Run Fast-Angle Wheel Sets Needle-Point Axles 1:48 Scale Dimensions (2) Removeable Containers 2-Car Set Measures: 28" x 2 7/16" x 4" Operates On O-42 Curves