DIY Roller-Coaster

Anyone who builds a 180-foot roller-coaster in their back-yard has to deserve some kudos.  The "Blue Flash" took a year and a half to design and construct, includes a 360-loop and set John, the maker, back as much as it would've cost to take his family to Disney.  I'm not sure if he also dresses up in a large mouse costume for them, though; perhaps that's next year's project.YouTube [via MAKE:]