Definition: A Goldberg machine is a deliberately over-engineered machine that performs a very simple task in a very complex fashion, usually including a chain reaction.
This next clip makes me laugh! These guys are so imaginative and clever, but obviously have far too much time on their hands!
And the last one is especially for our dear dog-loving friend Peg @ Happy in Quilting. Watch out for the goat!
OK GO do something productive Bloom instead of laughing at these guys!