US President Barack Obama speaks with Avery Dodson, Natalie Hurley, Miriam Schaffer, Claire Winton and Lucy Claire Sharp, winners of the Junior FIRST Lego League Challenge, with the "Flood-proof" bridge design project.
20 LEGO STEM Activities Young Engineers Will Love!
STEM for Kids: Bridge Building Challenge | Stem for kids, Stem challenges, Stem projects
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How to build a stable LEGO Bridge
Drew's Science Project – Garrett's Bridges: Resources to Help You Build a Model Bridge