Watch this terrific Rube Goldberg magnet-and-marble tabletop demo http://boingboing.net/2016/05/09/watch-this-terrific-rube-goldb.html …
10:47 AM - 9 May 2016
0 replies
4 retweets
7 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.