In order to improve focus and concentration, all of us should treat our brain as a muscle and train it with different kinds of exercises every day. And while exercises can sometimes be boring, solving attention tests can be an entertaining way to give your brain a good workout.

We are back with another brain teaser that will challenge your mind and put your subconsciousness to the test. Unlike in our other puzzles and riddles, you are asked to put your logical thinking aside before taking on the task at hand. Why? You’ll see soon enough!

Do you often forget the things you need at the worst possible time? You’re running late, you’re about to leave your house and, suddenly, your keys. They were right there, but they just mysteriously disappear… Can you find a mistake in this picture?