The legendary airplane kite. From the point of view of structure and shape, its pull-up piece is the main body, without protruding structure, and the kite is supported by bamboo strips on all sides. This kind of kite is common, easy to knot, and has good flying performance, which is suitable for expressing various themes. This is the children's favorite. Board kites, also known as beat kites in Beijing and Tianjin, have the shape of octagonal diamonds or ladybugs. Generally, these kites have long tails or ears, which can avoid taking off. Among the board kites, the simplest one is tile, a square piece, which is called "250" in the southern countryside and "kite" or "fart curtain" in the north.