Fold hundreds of planes for an enviable aeronautic fleet with the Paper Airplane Fold-A-Day 2021 Calendar Paper-airplane engineers Kyong Lee and David Mitchell combine forces to present 300-plus designs from 40 original models based on real-life military planes--such as MiGs, fighter jets, and drones--plus commercial aircraft and others for a year's worth of flying fun Large size paper (73/4" x 6") folds into airplanes...