Clearly the best so far. Apparently over 600 hours of work has gone into this. Be prepared to say: 'WOW', then 'WOW!', then 'OH MY GOD, WOW!!'
Another good one. Video gets more awesomer as it goes.
Close up of awesome LEGO marble run
If only I had these toys...
Another fantastic piece of work, this time a 9V powered marble run, with human loader.
It's a simple one, but a beauty!
Marble train. Someday our cities will look like this
Saving the best till last - a new world record...