Everyone can see the dog but you have the eyes of a hawk if you can spot the hidden cat in under four seconds
ONLY those with a keen eye for detail will be able to spot the cat in this optical illusion.
If you're a pet-lover and a puzzle fiend then this is the challenge for you.
To most, the first thing they will see in this image is a laughing dog.
How long does it take you to spot the kitty?
If you can find the feline in under four seconds you may have a high IQ.
Regular practice of solving illusions such as these can help improve brain function.
In addition to this, they also help test your patience while giving you time out of a busy day.
Illusions "test your critical thinking, problem-solving, and application of both qualitative and quantitative methodology abilities," according to illusion experts at Jagran Josh.
Such puzzles "illustrate how the brain organizes and interprets visual data, showing that perception is more complex than simply looking in the mirror," they added.
If you are struggling to find the cat, some players find that a simple eye trick can reveal all.
Try squinting your eyes at the image and see if the kitty is revealed.
If you want an extra clue focus on the dog's nose and teeth.
How could this make up a cat?
If you think you've found it, scroll down to reveal the answer.
Frustratingly, this mind-boggling illusion could be solved by simply flipping the image of the laughing dog upside down.
If you enjoyed that, have a go at the real-life illusion below.
While this pile of rocks in the Scottish Highlands initially looks like just that, there is a bird somewhere here.
How long does it take you to find it?
People who spot the bird within a minute might have 20/20 vision.
READ MORE SUN STORIES
If you haven't been able to see it, scroll down for the answer key below.
Meanwhile, if illusions are not your thing, try finding the odd car out in this puzzle.