Delirium is a carnival spinner in Action Zone at Kings Island. While it's not the best, it is also recommended. The minimum height to ride is 52 inches.
A Huss Giant Frisbee, Delirium throws its riders into the chaos of a storm as it swings and spins at insane heights and speeds. The disorienting attraction reaches a maximum height of 137 feet and speed of 76 mph.
FastLane is available for this attraction.