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    In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan. The second challenge is...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing. Learners are encouraged to brainstorm, build, redesign/rebuild, collect data and...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this technology activity, learners build an "alarming" doormat to keep siblings out of their rooms. Use this activity to teach learners about circuits, switches, and sensors.

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes. Next, learners use their...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    In this engineering activity, learners design and build a mechanical arm to lift a small item. Learners must follow certain design constraints as they build an arm that can lift a paper cup from...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    In this technology activity, learners build simple circuits, design soft circuits using conductive thread, and then sew switch-activated circuits. Learner make a wearable fashion accessory, like a...

    Over $20 per student Ages 8 - 14 2 to 4 hours
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    In this technology activity, learners light up the room with electrifying play dough creations. Learners use conductive and insulating homemade play dough to build simple circuits. Learners then...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this engineering activity, learners design their own board games. Learners brainstorm the various components of board games, conduct research using well-known games, and then design and...

    $1 - $5 per group Ages 8 - 14 2 to 4 hours

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