Today in the game Great Brain Practice, we want to present you a puzzle with which you can test your attentiveness and speed of reaction. You will see an equal number of squares on the screen. On signal, some of them will turn over and you can see various kinds of images on them. After a couple of seconds, the items will return to their original state. Now you will have to click on the boxes with pictures from memory and thus designate them. If you click on all the items correctly, you will receive points and go to the next level.