Lot consists of a total of 25 different pieces. ©1948. First is 8.25x11" newspaper advertisement picturing and thoroughly describing this cereal promotion. Title at top reads "Check The Props And Flippers/Rev Up Those Cloud-Hoppin' Clippers/Build Your Own Airport/Play Pilot-Stewardess-Air Games." Lightly aged and moderate edge wear. Fine. There are six different 8x22" flattened "Betty Crocker Cereal Tray" boxes. These are "Airlines Hanger, Operations Building, Terminal Building, Control Building, Naval Hanger, Army Hanger." Each of these "trays" has a silverware coupon removed but all else remains including everything pertaining to the airport buildings themselves. Each tray also has detailed list of the six different "Airport Packages" in this set along with assembly instructions. All of these have noticeable aging to right/left end flaps. However, main building sections/art remain unaffected. Fine/VF. There are 18 different small 1 oz. size box flats each 8x9.5". These include cut-outs of such things as vehicles and buildings including fuel truck, beacon tower, generator, airport bus, Stewardess Club, Officer's Club, guided missile storage, jet power fueling station, etc. All of these are choice condition, unused flats, N. Mint. Great design and detailing. A rare opportunity to obtain the entire set at once.