To remove and replace two batteries in a flashlight, then turn it on
Task: To remove and replace two batteries in a flashlight, then turn it on.
Theme: Blackout on Planet Rube Step Count: 125 Result: Won 1st place at the Regional competition. Won the People’s Choice Award at the Regional competition. Won 1st place at the National competition. Won the People’s Choice Award at the National competition. Discussion: Our first appearance on ABC’s Jimmy Kimmel Live!.This Rube Goldberg machine changes the batteries in a flashlight in 125 steps. It was the 2005 winner of the National Rube Goldberg Machine Contest, and is in the 2007 Guinness Book of World Records as the World's Largest Rube Goldberg Machine (now held by another machine). It was built by a group of about 15 college students in the Purdue Society of Professional Engineers (PSPE) in about 4000 man-hours.
Link