Created by John Ivers, “Blue Flash” is a fully-functional roller coaster — complete with loop — that he built in his backyard. See it in action after the jump.

The Blue Flash is a 180-foot long home-made welded and made roller coaster featuring a 360-degree loop and it actually works safely

Created by John Ivers, “Blue Flash” is a fully-functional roller coaster — complete with loop — that he built in his backyard. See it in action after the jump.

The Blue Flash is a 180-foot long home-made welded and made roller coaster featuring a 360-degree loop and it actually works safely