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In this activity, learners use simple materials to create giant bubbles.

In this activity, learners explore why they can see colors in bubbles and why they change.

In this activity, learners construct a device that allows them to view 2-D images in 3-D.

In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.

In this activity, learners construct a device that allows them to look over ledges or around corners.

In this hands-on activity, learners build their own kaleidoscopes and explore how light can reflect of off surfaces such as mirrors, to produce beautiful patterns.

In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.

In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.

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