Optical illusion

I have no idea how they did this

Squint your eyes

What number is there?

How many Black Dots in the picture?

Find owl, cactus, tube and 3 bones:

What number do you see?

Test your intelligence

What is wrong in the picture?

Optical illusion shows hidden number

How many faces do you see?

What number do you see?

Find the person without face mask

99% people answer wrong

What do you see in the picture?

How good are your eyes?

How many animals are hidden here?

Who has true?