Playing an instrument, learning to sing, and listening to music are all brain-healthy activities. Memorizing musical notes, memorizing melodies, and lyrics all stimulate the brain to function as well as more efficient connecting neurons. From there, the brain will have more good conditions for development and the ability to remember is also improved significantly. Puzzle is an extremely good form of entertainment for the brain. Because when you solve the puzzle, the brain has to work a lot, think in many fields and focus highly to find out the fastest and most correct way to solve problems. Any kind of puzzle from crosswords, chess, sudoku, jigsaw puzzles, IQ quizzes or knowledge quizzes help the brain to develop effectively.