A Rube Goldberg apparatus is even better than a marble run.
See also:
A marble run incorporating a dozen antigravity mechanismsReposted from last year to add this new video. It's very seldom that such videos get me to laugh out loud, but I did - twice - while watching this.
A marble run accelerated by rubber bands
Via Neatorama.
Here's another one I like ~ https://www.youtube.com/watch?v=Av07QiqmsoA
ReplyDeleteExcellent find, and blogworthy. Thank you, anon.
Delete