Later attempts to build a looping roller coaster were carried out during the late 19th century with the Flip Flap Railway at Sea Lion Park.
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Lina Beecher, creator of the Flip Flap Railway, attempted to demonstrate one of his looping roller coasters at the fair, but the organizers of the event considered the ride to be too dangerous and refused to allow it on the grounds.
Full Throttle at Six Flags Magic Mountain- world's tallest vertical loop(160 ft) and only top hat element on a vertical loop