Brain teasers are puzzles or riddles designed to challenge cognitive abilities and encourage critical thinking. They often require lateral thinking, logic, or creative problem-solving skills to arrive at a solution. Brain teasers can take various forms, including word problems, mathematical puzzles, visual enigmas, or logical conundrums. The primary objective is to stimulate mental agility and provide a fun way to engage with complex thought processes. These challenges can vary widely in difficulty and are commonly used in educational settings, recreational activities, or competitive environments to enhance cognitive function and promote mental exercise.