1. According to 1688 official website information query, balloon angel wings are suitable for teenagers (7- 14 years old).

2. Sphere formed by filling gases such as hydrogen, helium and air into a bag coated with gum made of thin rubber, rubber cloth or plastic. When filled with a gas lighter than air, it can rise into the air. It can be used for meteorological or military exploration. Can also be used as children's toys.