A 240 - year - old doll that can write, a clockwork creation by Pierre Jaquet-Droz. Yes, it’s 240 years old. This clip will fascinate just about all the engineers, artists, clock makers, doll makers, computer programmers, want-to-be inventors or basically anyone out there that likes to tinker. This is more than tinkering. When you view this, think computers. Remember, this was built in the 1770's!