This video is only a simple overview. For a much better explanation, click here: youtu.be/-i6lBgspPtA
MY BIGGEST PROJECT: www.youtube.com/watch?v=C9HXO0REuIs
Click here for 100 Rube Goldberg machine ideas: www.youtube.com/watch?v=WiHn5_RfKjE
Thanks for 70K views! :)