Check out thses Oblivion Vids.

One here:
http://www.youtube.com/watch?v=re6pWlmRzxw&search=Oblivion%20Domino%20Fun

and one here:
http://www.youtube.com/watch?v=UyHiIeBsc9E&search=Oblivion%20Domino%20Fun

These are really cool.