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.
Braingle
Braingle: Optical Illusion Brain Teasers
Check out the variety of optical illusions provided at this site. Fool your eyes with "Chair or Block," "Angles or E," "Old or Young Woman," "Face or Vase," and others.