Classes Robot Academy Jr. / Robot Academy Jr. 1: Automatic Door

Have you ever wondered how the doors at the grocery store know when to open as you walk through? In this class you'll learn how to make your own automatic door. Stay until the end of the video to see how Scott and Lena used their doors in the brand new game show: Knock Knock Who's There?

How will you use your automatic door? Share with us on Facebook (
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