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IllusionsBlog
Take the testMüller-Lyer illusionEbbinghaus illusionDelboeuf illusionSee all: Size and shapeSimultaneous contrastWhite’s illusionHermann gridSee all: Light and colorMotion-induced blindnessPeripheral driftPinna-Brelstaff ringsSee all: MotionNecker cubeRubin vaseSchröder stairsSee all: Two ways to see itWhat are optical illusions?Illusions for kidsHow strongly are you fooled?See all: Guides

Optical Illusion Guides

What illusions are, the best ones for kids and a test of how strongly you are fooled.

How Strongly Are You Fooled? Take the Illusion TestMeasure how strongly optical illusions fool you: set the lines in the vertical-horizontal illusion until they look equal, then see your sco…Optical Illusions for KidsTen easy, safe optical illusions for kids to play with online, each with a simple explanation and a quick challenge, good for classrooms an…Printable Optical Illusions Worksheet for the Classroom (Free)A free printable optical illusions worksheet: 10 classic illusions with a question each and an answer page, ready to print for a classroom,…What Are Optical Illusions? How Your Brain Gets FooledWhat optical illusions are, the main kinds (size, light, motion and ambiguous figures) and what they reveal about how the brain builds what…