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In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

In this optics activity, learners build an animation tool to make mini movies. When you spin a phenakistascope, the pictures move so quickly that your eyes and brain can't separate the images.

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.