sentences:  Lightnin' Loops was the first roller coaster to feature interlocking loops, a feature that would eventually be repeated on Loch Ness Monster at Busch Gardens Williamsburg and the Orient Express at Worlds of Fun.However Lightnin' Loops was the world's only interlocking dual shuttle shuttle loop coaster.Lightnin' Loops featured a launch system that propelled the train downward into the loop and to another launch station at the same height as the loading station.