If you consider yourself a very attentive and sharp-eyed person, you’ve come to the right place to test yourself.

Throughout our entire lives, we are confronted by obstacles and issues that we have to understand better in order to overcome them.

Since information is the key to cracking every problem that comes your way, it is important to be able to read and analyze details fast every time life throws you a curveball. To help you become more observant and know how to focus on the task at hand, we have gathered a series of picture riddles that will challenge your eyes and your brain.

This time, we’re letting you do things at your own pace. To pass the first challenge, take a close look at the picture above and spot the error.

In the graphic, you can see two trains moving in opposite directions. If you’re sharp-eyed, you might even notice a city rising in the distance.

But where’s the mistake?

By now, you’ve probably figured out that something is wrong with one of the trains. Look at the one on the left. It only has passenger cars but doesn’t have the head car on either side of the vehicle!

From machinery to nature, here comes another puzzle to test your logical thinking and improve your concentration.

Look carefully at the picture below and tell us how long it took you to spot the mistake.

Once again, you are looking for an inaccuracy – something that doesn’t belong in the picture to be precise.

To crack the mystery, we suggest you do some research and check how grapes should look like. While the fruits seem fine, those leaves look a lot like fern!

How fast did you solve these brain teasers? Let us know in the comments and don’t forget to SHARE this post with your family and friends. For more riddles and stories, follow us on Facebook!