Can you build a machine from a cardboard box? Learn how to make a simple automata and discover cranks, levers and cams in this engineering challenge. Gather a small corrugated cardboard box, 2 bamboo skewers, a disposable straw, duct tape, scissors and items to decorate the final creation with Librarian Anita.

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STEM Challenge Yo’Self is created by the San Francisco Public Library from the Youth Librarian STEM team. Stay STEM-tastic by reading, learning and experimenting at home. Gather materials for a new challenge posted weekly at 2pm on Mondays followed by a Live STEM Zoom Lab with SFPL on Tuesdays at 2pm.