MarbleLympics 2017 Qualification Round
It's a marble racing event in a LEGO stadium with... ...ams of four marbles each will compete in the full MarbleLympics . There are plenty more videos in the MarbleLympics series if you're interested. -via Digg
https://www.neatorama.com/2017/07/01/MarbleLympics-2017-Qualification-Round/
