Copyright 1942 Einson-Freeman Co Inc. Unlisted in Hake's "Official Price Guide To Pop Culture Memorabilia". 10x13" manila envelope includes text "Boys - Girls Here It Is! Your Superman Flying Cadet Secret Bomb Sight". Envelope has some handling creases and dust soil with .25x6" bit of surface paper missing at upper left including address area. Good. Contains 12 pieces. Includes 11.25x12.5" die-cut stiff paper "Flying Cadet Secret Bomb Sight" with graphics of aviator at left along with instrument panels and punch-out pieces along with tabs to fold down for assembly. Blank reverse side has bomb sight mirror glued in proper place. Comes with four separate die-cut punch-out pieces, each 3.5x3.75" including tabs designed to be folded down for use. Also includes generic paper bag holding three black marbles and wooden rod which was most likely used to release marbles when assembled. Also includes 7/8x4-5/8" stiff paper "Piece Forming Bound Separations" with two small pieces designed to be punched out and with slot marked A through D. Final piece is 11.25x14.25" sheet with art image of lake surrounding small island with factories, city, and countryside around perimeter. No instructions. Ships are unpunched and unfolded, mirror has loss of silvering, and aerial map paper has three folds as issued. Overall group is Fine/VF. Quite elaborate set up but unsure if complete. Force Cereal sponsored the Superman radio show from 1940-1942. Well done and first we've seen in our 45 years.