What hard-pen calligraphy is suitable for children aged 12?

12-year-old children are suitable for learning regular script hard pen calligraphy. Because regular script is the most basic and relatively simple kind of hard-pen calligraphy, 12-year-old children belong to teenagers. Learning regular script well will help them learn fonts in the future. There are five kinds of calligraphy fonts: running script font, cursive script font, official script font, seal script font and regular script font.