Six-Year-Old Birthday Wishes: When they were four, Olds was cuter than they are now. When you wish a 6-year-old a happy birthday, they will always remember how much fun they had that day. Birthday parties not only bring the birthday boy's family and friends together, but they also give the boy an experience he will never forget. These birthday wishes for kids who are 6 years old are cool, original, and full of love. I'm sure you'll like these things I hope for you. Happy 6th Birthday Wishes H...