c.1950s, but no connection to the TV show. The title was just used to capitalize on the show’s popularity. 10.5x18.5” manila envelope has store label on front. Contains original folded cardboard holding illustrated instruction sheets (one in English, one in French) titled “Giant Circus”, and complete set of thin cardboard punch-out sheets. Elaborate set-up designs numbered 1-28 include: Freak tent, animal cage, main tent, ticket booth, clowns building, much more. Envelope has lt. dust soil and minor creasing. A few punch-out pieces are loose, but contents otherwise Near Exc. A rare set w/superb design.