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In this activity, learners experiment with the Stroop Effect by challenging themselves and others to try and read a list of colors as quickly and accurately as possible, with a twist.

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this fun and interactive online exhibit, the straight lines of a tile wall appear to curve. The learner moves the rows of tiles and changes the color of the grout to achieve the intriguing effect.

free Ages 4 - 18 5 to 10 minutes