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In this activity, learners create painting machines that can paint moving forwards and backwards.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes