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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this art meets science activity, learners pack silver, ball-shaped ornaments in a single layer in a box to create an array of spherical reflectors.

In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

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 construct three optical illusion toys to examine how our brains play tricks on what we see.

In this activity, learners make a Benham Top to explore visual illusions and optics.

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

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.