Think you have sharp eyesight? Try this optical illusion eye test and spot the hidden number in a mind-bending brain teaser.

In this optical illusion picture, a man is hiding among the statues in plain sight. Do you have the most observant eyes that ...

Optical illusions play tricks on your brain and can make you ... then the rigid pencil will appear to transform into rubber before your eyes. The pencil remains rigid, of course, but your brain ...

Optical illusions are an excellent way of testing your observation skills and challenging your brain. These brain teasers ...

While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We selected a few optical illusions to test your perception of reality.

Optical illusions test observation skills by tricking our eyes and brains. The challenge involves identifying 7 subtly ...

In this optical illusion picture, a pizza slice is hidden in plain sight. Are you one of the sharpest few who can spot it in ...

Dr Chris and Dr Xand teach you how to trick your eyes with an optical illusion that's more than it seems! Step 1: If using, get a grown-up to help you cut the front and back off your cereal box.

If you enjoy testing your observation skills ... the snowy setting. This optical illusion plays with natural camouflage, making it tricky for the untrained eye to detect the hidden bird at ...