This optical illusion appears to be 3D but it's actually something

On social networks, a two-dimensional image gives the impression that it is in 3D. The effect is quite stunning.…

Ambiguous Cube: Biology & Perception Science Activity

This optical illusion will change right before your eyes

Hallway optical illusion confuses Reddit users as it 'stops people from running' - Daily Star

Optical illusion: Can you spot the hidden message in this picture?

Amazing optical illusion looks like it's moving – even though it's completely still

Not everyone can see this mind-bending 3D optical illusion

Hidden Photo Optical Illusion : 4 Steps - Instructables

Can you spot the hidden number in this magic optical illusion?

These 4 optical illusions will blow your mind