Visit Pennypacker Mills for an old-fashioned summer day including Victorian lawn games, try on vintage clothing for a unique photo opportunity, visit the General Store for hands-on fun, see interactive exhibits in the History Center, tour the air conditioned mansion and enjoy a vintage car show with the Delaware Valley Classic MG Car Club. Food vendor available. All ages; FREE, suggested donation $2/person. Pennypacker Mills is the home of Pennsylvania Governor Samuel W. Pennypacker (1903-1907) and his family. Set on 170-acres of bucolic farmland, the mansion is completely furnished and houses an extensive collection of official and personal artifacts of the Pennypacker family. Operated by the County of Montgomery, the site is open year-round for guided tours, seasonal events, educational programs, changing exhibits, and special programs.