This optical illusion will test your patience and, possibly, your IQ. In this picture, you’ll see lots of black and white pandas smiling back at you. However, one of them is not so chuffed to see you – quite the opposite. All you need to do is spot the frowning panda as quickly as you can.
If you’ve got a particularly high IQ, you should be able to spot the pouting panda within 10 seconds.
This brain teaser is great for adults and children alike ... Read even more
