This Magnetized Marble Run Is The Most Inventive Thing You'll See This Week
With some wood, some marbles and some magnets, YouTuber Kaplamino built one of the smartest Rube Goldberg machines we've seen in a long time.
May 9, 2016 at 08:31AM
via Digg http://ift.tt/1VQoLgW 910550351
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