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Giant Lens

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In this activity about light and refraction, learners discover how a lens creates an image that hangs in midair.
$5 - $10 per student Ages 8 - 14 30 to 45 minutes

Benham's Disk

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In this activity, learners make a Benham Top to explore visual illusions and optics.
$1 - $5 per student Ages 8 - 18 30 to 45 minutes