Ever heard of a Rube Goldberg machine? Maybe not the name, but I bet everyone has seen one.
Every weekday morning on the NHK Education channel, after the “Radio Taiso” exercise time, there’s a short segment called “Pitagora Switch” highlighting such a machine. There are tons of examples on YouTube.
A toy company in the U.S. has made an ad with a very extensive Rube Goldberg machine, and with the message that girls can be engineers, too:
Story from Slate.