This is a simple Steammachine. You can chosse the Speed by changeing the "Soll Geschwindigkeit" Lever. With the "Schalter" Lever you can Switch the Light off and on, but when you release the Lever when it's on 0 you need to restart the game, because you cannot grab the lever aigain.
I made this Project 99.9% myself. Only the Backgrund is from Google Pictures. I was Experimentig with the ([sin^] von ()) Block and came out with this.