Study of Theo Jansen's work series.
His products, such as StrandBeests, are very interestring and attractive.
This clip is just an analysis and simulation of his mechanism, but it might not be exactly the same.


http://youtu.be/-GgOn66knqA

http://youtu.be/5OR8-775Rv4

http://youtu.be/MFpq8mSKcYU