"52 fun flaps"--Cover. "50 fun flaps"--Cover. "50 fun flaps to open"--Cover. "Fold a flap"--Cover. "With pop-up flaps"--Cover. "More than 30 flaps"--Cover. "Open the fun flaps!"--Cover "50 fun flaps to lift!"--Cover "Over 55 flaps"--Cover "Over 50 flaps"--Cover