The MTH Realtrax Elevated Subway Trestle Set is designed for model railroads in a 1:48 scale, specifically for O gauge trains. This set includes 8 pieces of gray plastic trestles that elevate the tracks, allowing for the creation of an elevated subway system. The theme of transportation is highlighted in this set, making it a great addition for train enthusiasts looking to expand their layout with realistic infrastructure. Compatible with trains and part of the Railking series, this elevated trestle set offers a detailed and visually appealing option for building layouts. Open box