Everyone loves a good optical illusion, from animals and shapes to dresses that change colour.
The most recent one doing the rounds on social media is one for people who consider themselves above average on the intelligence side of things, in fact, it's for people who reckon they possess "extraordinary intelligence".
This image features a multitude of brightly coloured toy animals. Within the picture, there are lions, hippos, birds, elephants, deer and monkeys all of which are different colours such as yellow, pink, purple and orange.
