The world's oldest known dildo dates back approximately 28,000 years. Discovered in 2005 by researchers from the University of Tbingen in Germany, this ancient artifact is an eight inch long stone phallus that's still The Surprising History of Dildos: Humans Have Been Using Them for Over 28,000 Years Batteries not included 28,000 year old stone dildo found in german cave Metro News Ag kak man, just say they found the world's oldest Dildo 15 Fun Facts About Dildos You Probably Didn't Know Jack and Jill Adult