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Hot air balloons were the first flying machines and they have interesting history. They were toys at first, used for signalization and for celebrations, but in time grew in size and allowed us to fly around the world.
Have you ever asked your self - how are balloons made? How they got the shape they have? Where are they come from? Here you can read about materials used for making different kinds of balloons.
Hot air balloons were the first to carry humans into air but in time became unpopular because of the open flame which, at that time could not be controlled. In 1950s problem was solved and today they are very popular as a method of recreation. Read here how hot air balloons made?
Toy balloons are an old toy. Children and jesters used an inflated pig’s bladder as early as 14th century. Today we have much prettier (and much more sanitary) variants of toy balloons that we use for parties and celebrations. Read more about history of toy balloon.