Genius can only find the number ‘2021’ in this puzzle in 8 seconds; can you?

Individuals with good observation skills will be able to spot the number 2021 easily.

Optical illusion

Optical illusions are mind-bending images that challenge your perception and test your observation skills. There are three types of optical illusions namely, cognitive, physiological, and literal visual illusions.

The central theme of all optical illusions is playing with our eyes and brain (visual system), and that’s why optical illusions are also called visual illusions.