A clever puzzle challenge that tests logic and observation with an unexpected twist. This video shows real attempts reactions ...

Matchstick Puzzles are often challenging and engage the curiosity to solve. As in the image, you can all see a matchstick puzzle, which is made up of yellow matchsticks. The matchsticks are arranged ...

This magic square has been known since ancient times. Each row, column and diagonal of three numbers adds to the same magic constant, 15. There is, however, a different type of 3×3 magic square, in ...