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Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
Watercraft
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In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
Touch Down
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In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.