Optical illusions are a handy way to really exercise your brain, as they challenge you to focus on what's missing in an image, or the hidden object.
Those brave enough to test their IQ with these tricky puzzles will soon realise they are no small feat, and take a good level of logic and patience.
This new brain teaser is no different as it challenges you to find a hidden pesky cat in a sea of racoons - but there is a catch.
