Choosing the right materials is key to creating DIY optical illusion art: High-quality drawing paper: Choose paper with a ...

Optical illusions are a fun way to test your observational skills, challenge your brain, and even learn a little something ...

EVERYONE can see the camel in this vintage optical illusion ... The fuzzy texture of the drawing definitely makes your task trickier. Have you found it yet? Don't worry if you haven't - here's ...