PLASTICVILLE® U.S.A. 75TH ANNIVERSARY SWITCH TOWER KIT - HO Scale. In 1947, Plasticville® U.S.A. made history as the very first line of mass-produced, injection-molded scale plastic structure kits. Throughout the ensuing 75 years, Plasticville® has continued to delight both model railroaders and miniature diorama builders alike with timeless designs. The structures in this limited-edition 75th-anniversary series represent some of the best-loved Plasticville® pieces in HO scale, once again displaying the colors found in original promotional artwork from the 1950s. With snap-fit assembly, Bachmann’s Plasticville® U.S.A. line provides everything you need to create a quintessentially American scene. Whether you're new in town or an established civic leader, you can be sure of a warm welcome in Plasticville® - a community limited only by your imagination!