Shichi-go-san is a Japanese festival. The Japanese celebrate it on 15 November every year. Shichi-go-san means 'seven-Five-three' and the festival is a special one for children who become seven, five or three years of age. Japanese parents celebrate Shichi-go-san as their boys turn three and five, and as their girls turn three and seven. The Japanese think that these ages are very important. At the age of seven, a girl wears an obi for the first time. The obi is a piece of cloth which is worn round the waist over the kimono. At the age of five,a boy wears his first hakama pants in public. Hakamas were worn by samurai in the past. The age of three is special in Japanese culture because it is the time when children are allowed to let their hair grow. People believe that Shichi-go-sango-san was first celebrated about a thousand years ago. A powerful ruler then chose the fifteenth of November for the festival because it was thought to be a day of good luck for all Japanese people. Since then, children celebrating Shichi-go-San have found it a lucky and exciting it a lucky and exciting time. They get to dress up like the adults of ancient it a lucky and exciting time. They get to dress up like the adults of ancient times and pretend to be grown up themselves.ves. However, nowadays, more and more children are celebrating the festival wearing Western-style clothes. Why?