Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

Your mission is to watch this clip, and look out for anything related to spies or Blue Peter. Leave a comment saying what you spotted. Only watch it once – no cheating ...

Test your IQ, observation skills, and logical reasoning with this tricky puzzle. Only highly intelligent people can solve it ...

Cat lovers can test their observation skills by trying to spot the mischievous mouse within 15 seconds. This brain-teasing activity challenges participants to use their sharp eyesight and quick ...

This optical illusion challenges your eyesight by asking you to find the odd hand out of several showing the same sign within ...

Today's optical illusion challenges users to find a hidden bird among vibrant flowers. The tricky visual puzzle plays with ...

AN Irish driving instructor has revealed how you will be graded on observation during the test – and it’s the top reason ...

Optical illusions test observation skills by tricking our eyes and brains. The challenge involves identifying 7 subtly different individuals in a group of identical people. Key details such as ...