Brain Teasers

There are 11 human faces in the picture. Can you find them all?

In this optical illusion can you tell if the lines are Circular or Spiral

Just try to click on the black dot

Sitting in front of the screen and look at the dot and move your head

Do you see the hidden image

This puzzle is missing a piece ...or is it

There are people hidden within this image.

Your brain will try to reinterpret this image

Classic left brain right brain conflict

If we remove the squares are the lines straight

3-D without the glasses

Are all of these squares equal in size

Another circle or spirals question

Concentrate on the black ' + ' in the centre of the picture