This full-featured wheeled excavator is made off Lego Technic pieces. It has nine functions which are either electrically or pneumatically powered.

You can read more about this model on my blog:
grindinggears.webege.com/en/

Join the discussion about this MOC on eurobricks:
eurobricks.com/forum/index.php?showtopic=51725

The music is made by “Das Kraftfuttermischwerk” from Berlin, Germany. The song is called “Blinkenlights Symphony” and you can find more of their excellent works on their homepage:
kraftfuttermischwerk.de/