Brain teasers are fun puzzles or riddles that challenge your thinking and problem-solving skills. They often require you to think outside the box and use logic or creativity to find the answer. These engaging challenges can be found in books, online, or even shared among friends, making them a popular way to exercise your mind. Solving brain teasers can improve your cognitive abilities and enhance your critical thinking. They come in various forms, such as word puzzles, math problems, or visual challenges. Whether you're a fan of crossword puzzles or enjoy logic games, brain teasers provide an entertaining way to keep your brain sharp and active.