2,000 Year Old Roman Phallus Could Be Oldest Known Sex Toy Ancient Origins The oldest dildo in the world is approximately 28,000 years old. It was discovered in 2005 in Tbingen, Germany by archaeological researchers at the university there. It is eight inches long and " The oldest Roman dildo has been discovered Best anal sex toys: Butt plugs, anal beads and dildos 2025 TIL the oldest confirmed dildo is ~28,000 years old, made of siltstone, has etched rings around the top, and is highly polished from use : r todayilearned