This laser cut Cupid automata uses gears and linkages to come to life. Turn the handle and watch him fly!
I've made the pdf file of parts available for everyone to download for free. You'll need to adapt it to suit the file format of your particular laser cutter. If you don't have a laser cutter you may be able to use one in one of the many FabLabs and Hacker Spaces which are springing up all over the world.