Open box box isn't that perfect. Everything is complete. The HO 1720 Heljan Hillsborough Gravel Company scale Model Railroad Kit #1720 is an industrial building model in 1:87 scale, perfect for model train enthusiasts. Made by Heljan, this multicolored plastic kit features a transportation theme and is designed for HO gauge model railroads. With detailed features and a realistic design, this unpainted model captures the essence of a Hillsborough Gravel Company building, adding an authentic touch to any model railroad layout.