The long and satisfying 28,000 year history of the dildo 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 " PHOTO Roman era 'wooden phallus' found: Is this the oldest sex toy? Free press It's not a darning tool, it's a very naughty toy: Roman dildo found Archaeology The Guardian The Evolution of Sex Toys The Pleasure Chest