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Working in small teams, learners try to build a satellite that can float for at least five seconds in the marked area of a vertical wind tube.

Over $20 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.

Over $20 per group Ages 8 - 18 30 to 45 minutes
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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes