Extend your unit on light into a study of optical illusions. Your visual kids will love it and your more capable or interested kids can be challenged to create new illusions. Here are a few resources to make it easy to add optical illusions to your science class. Optics 4 Kids – The Optical Society for great resources – Check out their activities! Easy Activities explore the basic concepts of light and color, suitable for five and older Medium Activities are recommended for scientists ten and older Advanced Activities are suggested for scientists fifteen and older Examples of Optical Illusions from …