This is the N Scale Shipping Warehouse Flat Kit (3-1/2" x 28'') by Downtown Deco.
A Unique Structure for Your Railroad Based on a typical trackside warehouse/factory, this unique building adds detail depth between your scenery and layout's back edge. The kit includes the trackside wall with loading doors and end walls for use against the backdrop. It also includes finely detailed Hydrocal® castings, windows, signs and step-by-step instructions that walk you through each stage of construction from putting the kit together to painting and aging. HO Scale