Amazing machines 
Ah that is brilliant. It brought back fond memories of the many many hours I wasted at Junior school designing nad building incredibly complex marble runs in my desk. I was also reminded of this recently when I was contacted by someone through Friendsreunited!
What a cracking compilation of videos, had all four of here fixated on it 
I think some fun with the marble madness, domino sets and a model railway is going to be had over the weekend
DT.
Some people just have toooo much time on their hands…damn good though
realy cool 
now I also want to do something like this
nice one, reminds me of mouse trap
Curly
I was going to say the same curly… thats very well thought out.
altho i couldnt help but notice a few edits
hehe, i like them
There’s a whole load more on Google video if you search…
http://video.google.com/videosearch?q=rube+goldberg
There’s a selection…
ahhh that tune is stuck in my head now…thanks 