This museum puzzle is harder than it looks! Spot and count the total number of people to prove you have a high IQ.

The NYT Mini crossword might be a lot smaller than a normal crossword, but it isn't easy. If you're stuck with today's ...

For older kids, this movie is a great introduction to the fascinating world of cryptography—how math and logic can be used to ...

Brain teasers are an engaging way to challenge your mind and have fun. Often these riddles or puzzles require creative thinking. Brain teasers are great for sharpening your problem-solving skills too.