Can you solve these 'spot the difference' puzzles in under two minutes?
These three 'spot the difference' puzzles are just what you need to stretch your mind today.
Sometimes what you think you see is not really what's in front of you at all. There are countless examples of people seeing what they want to see when they look at a picture or finding that their brain tricked them into seeing something entirely different.
This unique ability that our brains have to block our vision or twist our perception is behind a list of the most popular pattern puzzles compiled by INSIDER.
Here are three of the most interesting puzzles from that list. How quickly can you solve them?
Have a look at the first picture, and then click to reveal the answer.