Loop the Loop (occasionally referred to as the Flip Flap Railway) was a steel, dual-tracked roller coaster located in Atlantic City, New Jersey.

Green and Edwin Prescott on one of Captain John L. Young's piers in Atlantic City, New Jersey.

[1][2] It was the goal of Green and Prescott to create a looping coaster which would not be subject to the same extreme g-forces which plagued Lina Beecher's earlier Flip Flap Railway on Coney Island in New York.

[7] Another common factor was that both coasters incorporated an oval loop to reduce the g-forces produced by the earlier Coney Island Flip Flap Railway which utilized a circular loop.

[7] This, paired with the ride's low capacity (only four individuals could ride the coaster every five minutes), meant that the Loop the Loop at Atlantic City was ultimately a failure.