If you're a problem solver you'll probably enjoy the "Fantastic Contraption" game which allows you to make cool machines like this.
Here's some of the ones I did for various levels:
http://fantasticcontraption.com/?designId=3855208
http://fantasticcontraption.com/?designId=3855778
http://fantasticcontraption.com/?designId=3855880
http://fantasticcontraption.com/?designId=3701671
http://fantasticcontraption.com/?designId=3742382
http://fantasticcontraption.com/?designId=3779128
http://fantasticcontraption.com/?designId=3855094