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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 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.

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

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

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