Useful, the habits you develop since childhood will be maintained when you grow up.
Practice calligraphy from an early age, which can exercise the child's hand control over the pen, and at the same time exercise the child's observation ability (observation is required to read copybooks). The most important thing is that the child can have good standards when he first starts writing. , can enable him to develop the habit of writing good calligraphy carefully from an early age. When he grows up, his handwriting will be finalized and become good.