Show a machine that has visibly moving parts; it could be real or something made up. This means that anything from a sewing machine to a mechanical hippopotamus launcher is fine, as long as it's some kind of moving, animated machine.
Optional Bonus Challenge: Actually making the mechanical hippopotamus launcher (as requested in the comments).
Canvas size- Unrestricted.
Colours- Max 16.
Transparency - Optional.
Animation - Required.
The challenge thread will have all the challenge updates. The thread is also a great place to post your WIPs.