In a tsunami of marbles watch this video of 11000 marbles. Yes, 11000, all at once. Enjoy!
If you can endure the cheesy Christmas muzak then here is a really good one from someone who seems to have no other use for their house than as a playground for marbles.
The little ball that could.
Place your bets!
This one went viral recently, and no surprise, one of the best marble runs you will find on the Interwebs today.
Feeling inspired by some of these videos, then you might need to do some shopping for marble run equipment.