Optical illusions are all about using your brain to tease out the hidden objects in an image. Many of these brain teasers ask you to find the odd figure or number. But sometimes your mind has to go up ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

The popularity of optical illusions is on a meteoric rise on the internet. As a result, these brain teasers are getting harder on a daily basis. If you prefer challenges, we have an appropriate ...