sentences:  Then the train was launched backwards returning to the loading station.This coaster continued to be the star attraction at the park throughout the 1980s, although other coasters such as Rolling Thunder (built in 1979), Sarajevo Bobsleds (built in 1984) and Ultra Twister (built in 1986) also were major coasters.The popularity of Lightnin' Loops faded in 1989 when the bobsleds were replaced with a multiple looping full circuit then-state of the art roller coaster called the Great American Scream Machine (also built by Arrow), which featured seven inversions, three of which were loops.