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Catapult Challenges

Launch into science with six fun challenges using our catapult kit.

Explore Our Science Videos

Were the Mythbusters Wrong? | The "Phone Book Friction" Experiment
Were the Mythbusters Wrong? | The "Phone Book Friction" Experiment
Build a Wind-Powered Car
Build a Wind-Powered Car
Build a Gauss Rifle
Build a Gauss Rifle
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Free science fair projects.