Many people have heard of or seen videos of artist Theo Jansen's work: giant walking sculptures that are powered by the wind. At least one person is now taking the principles Theo developed and implementing them on a smaller scale:
This little horse automaton is made out of paper! I am very excited to make one of my own sometime soon...kits are available if you want to order one and make it yourself!
(If you haven't heard of or seen Theo Jansen's work, here's a short video below:)