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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 build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).

Over $20 per group Ages 14 - 18 1 to 2 hours