How many moving parts?
 

Believe it or not NON but it'll drive your eyes crazy to look at it too long. Even if you close one eye it still seems to move.

http://i988.photobucket.com/albums/a...g?t=1311863509
You have to stare at just one bean to make the rest stop.
Just a thought it would make a great paint scheme on your car.

That's the coolest thing I have ever seen.