Puzzles are great brain-stimulating tools, available for all tastes and ages. They help develop various cognitive skills and provide enriching entertainment. Some of the most popular are jigsaw puzzles, which require patience and attention to put the pieces together and recompose a picture, and thinking games like Sudoku.
These puzzles are particularly effective in measuring and improving intelligence quotient (IQ). They challenge logical reasoning and problem-solving skills, key skills assessed in IQ tests.