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    Twin Cities Public Television
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    In this activity, learners construct a small "air cannon," and use its airflow to put out a candle (lit with the help of an adult). The "air cannon" is an empty salt carton with...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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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