"drop tower" . . . "Drop Towers" . . "Gyro Drop" . "frog hopper" . . "drop towers" . "Children's drop tower" . "Donjon de l'Extr\u00EAme" . "drop ride system" . "tower" . . "Drop Tower" . "vertical drop tower" . . "tower ride" . . . . "Drop tower" . "La Venganza del Enigma" . "Zero-G" . "Freefall Tower" . "Highlander" . "toy" . . "Giant Drop" . . . . . . . . . . . "Kiddie Tower" . . . . . "Shot `n drop" . "Skyraker" . . . "Family drop tower" . "Super Shot" . "freefall tower" . . . . "Shock Drop" . . . "Drop tower" . "drop ride" . "freefall" . . . "Drop tower" . . .