Balloon Decoration, Balloons used to celebrate birthdays are a traditional party emblem. At birthday parties, people use balloons all around the world. They've succeeded so well because they're affordable and vibrant. Children and adults both enjoy balloons. Balloon Decoration,The "technology" of balloons has not changed all that much, but the design possibilities and level of ingenuity have. There are now countless ways to celebrate birthdays for people of all ages using balloons.