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CD Spinner
Source Institutions
In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-261.jpg?itok=K8ieKQmZ)
Kaleidoscope
Source Institutions
In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-486.jpg?itok=vBwBe9be)
Opti-Top
Source Institutions
In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.
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Thaumatrope Illusion
Source Institutions
Design and create an optical illusion toy that makes two pictures appear to become one. This is called a thaumatrope and will allow the learner to investigate the phenomenon of persistence of vision.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-687.jpg?itok=kWflrAgh)
Spinning Illusions
Source Institutions
In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-355.jpg?itok=V29d0NzP)
Benham's Disk
Source Institutions
In this activity, learners make a Benham Top to explore visual illusions and optics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-303.png?itok=FYYtoSSV)
Thaumatrope
Source Institutions
In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.