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In this optics activity, learners conduct an experiment to find out why two eyes are better than one!

In this optics activity, learners conduct an experiment to explore peripheral vision. Learners collect data about their ability to see shapes, colors, or letters using their peripheral 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.

In this activity, learners create an optical illusion by spinning two attached cups. A round ball seems to magically appear when the cups spin.

In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

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

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

In this optics activity, learners investigate afterimages.