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    Community Science Workshop Network
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    In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see. Learners use simple materials to build a Circle Spinner, Thaumatrope, and...

    $1 - $5 per student Ages 6 - 18 30 to 45 minutes
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    PBS
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    In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns. Learners begin by...

    $5 - $10 per group Ages 6 - 8 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners construct a device that allows them to view 2-D images in 3-D. These 2-D stereoscopic images are simply pictures of the same thing, taken from two positions some distance...

    Over $20 per student Ages 6 - 11 1 to 2 hours

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