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In this activity, learners create an optical illusion by spinning two attached cups. A round ball seems to magically appear when the cups spin.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes