Puzzles strengthen the connections between brain cells. They create new connections for improved thinking and mental speed. Puzzles are beneficial for all ages. After all, the young have extremely malleable brains, and older people are more prone to memory problems in the first place. A good puzzle causes participants to think about things in new ways. Even if an idea is not the solution to a puzzle, all out-of-the-box thinking helps train the mind to work in new ways. While puzzles stimulate the brain, they also relax it. Studies show that just looking at a puzzle and pondering possible solutions actually helps the mind stay calm.
So here are a set of puzzles, which have 3 differences in each picture. Try pondering around to find the differences. All the best..