Curated OER
Using Optical Illusion Brain Teasers Add a Twist to Math and Science
Optical illusion activities can provide a motivating way for students to explore math and science concepts.
CK-12 Foundation
Ck 12: Plix: Optical Illusion: Vision and the Eye
[Free Registration/Login Required] Interactive explores the concept of optical illusion.
CK-12 Foundation
Ck 12: Plix: Vision and the Eye: The Line Up
[Free Registration/Login Required] Are your eyes playing tricks on you? This site contains parallel and skew lines that creates an optical illusion.