Design Preservation Models HO Scale Walker Building Kit 20400Design Preservation Models Walker Building Woodland Scenics DPM Landmark Structures(R) Kit 3 x 4 1 4" 7. 7 x 10. 7cm HO Scale HO Scale Structure Kit Containing Plastic Pieces to Construct the Walker Building from Design Preservation Models. FEATURES: This three story building has rectangular shaped windows. Extreme realism is displayed with this building. Wall sections are molded in a concrete cream color. Window frames are molded in a brick red