Rube Goldberg Machine Contest winners

The winners of Purdue University's Rube Goldberg Machine Contest show off their creations on Jimmy Kimmel Live.

Young fellow makes, tests and celebrates outstanding Rube Goldberg machine

Seven-year-old Audri designed this astounding Rube Goldberg machine, and then systematically studied its failure modes and improved it, producing a fine video account of his work. He is made of pure distillate of awesomesauce.

Audri's Rube Goldberg Monster Trap (via Make)