Can you create your own gravity defying and independently powered object? Learn how to create a balloon-propelled hovercraft that easily glides across the table. Gather a bottle cap, a glue gun, a CD, a balloon and scissors for this challenge with YELL 2020 teen intern Zoey. Adult supervision strongly recommended.

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STEM Challenge | Teen Takeover is created by the San Francisco Public Library from the Youth Engaged in Library Leadership (YELL) STEM team. Stay STEM-tastic by reading, learning and experimenting at home. Visit www.sfpl.org/stemchallenge for more resources.