Optical Illusion

Optical illusions (sometimes called also visual illusions) are cool images perceived in a manner that differs from objective reality. What the human eye sees is interpreted by the brain in a way that contradicts physical measurement of the source image.
You can find several types of cool optical illusions on this app all sorted into detailed categories located below and in menu on the right side as well. They are suitable not only for adults but also for kids.

No Internet connection needed