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In this activity, learners conduct an experiment to test how fast they can react. Learners try to catch a piece of paper with a ruler printed on it (or a ruler) as quickly as they can.

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.

During this activity, learners take part in a variety of tasks which involve moving and balancing different body parts.

In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.

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.