1397659 story Build Your Own Monorail 184 Posted by michael on Sunday April 07, 2002 @12:45AM from the more-things-not-to-tell-your-life-insurance-company dept. jpatokal writes "Building your own roller coaster may be fun, but how about something a little more practical -- like a monorail in your back yard? Kim Petersen designed his from scratch, building the elevated track from wood, scavenging the engine from a motorized walker and handcrafting the train from sheet metal. Total cost: $4000! See the photo tour and the construction history."