Mark Rober
1st place Mousetrap Car Ideas- using SCIENCE (2018x3)
:
Science your way to the blue ribbon. Go learn something from someone who cares at Skillshare.com. The first 1000 people get 2 months for $0.99- http://skl.sh/rober3
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Check out Al's website if you want stuff to build your own: https://www.docfizzix.com/
10 quick, practical build tips: https://www.dropbox.com/s/x