Cách sử dụng
A balloon is a rubber or plastic object that can be filled with air or helium, and often comes in different shapes and colors. People use balloons for different reasons such as decorations for parties, to play games, or as gifts. They can be found at stores that sell party supplies, toy stores or online. When talking about balloons, it is important to know that they can pop easily, so it's best to handle them carefully. Also, balloons filled with helium will float up into the air if they're not tied down or held.