[Jared Holladay] is a computer engineering student at the University of Cincinnati and a life-long roller ... his coaster model belongs here. Like many folks in this field, he’s built K ...

This is great. What happens when you bet a group of friends they can’t build a roller coaster in their backyard for under $50? They build one. They built it almost entirely out of old forklift ...

An curved arrow pointing right. In 2001, John Ivers of Bruceville, Indiana, built a makeshift roller coaster in his backyard. He named it Blue Flash. It even has a corkscrew. But the most ...