The Rocketship XM-16 opened in 1955 and was one of the first simulators. The ship was horizontal and consisted of a film (made by a local who later became a Hollywood FX wiz) and hydraulics to make an up/down motion.

In 1964, the Sky Slide was moved to a vertical position with a spiral staircase built in,and a wooden slide constructed around the structure. In 1988, the Sky Slide was moved from the location of the Galleon, to its current site in Kiddieland.