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In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

In this optics activity, learners build a spy tool to secretly view things over walls or around corners.

In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

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