It is suggested to start with a hard pen, that is, a pen, because there is a big difference between a hard pen and a soft pen, and because different writing tools have different writing effects and difficulty levels. Whether from the strength of writing or strokes, a hard pen is the foundation, while a soft pen is equivalent to a sublimation. It is suggested to practice hard pen first, then soft pen.
Because the soft pen is a test of difficulty and endurance for children, only mature calligraphy skills can do it, while the brush pen has great requirements for strokes, strokes and word structure, so it is better to practice hard pen first.
But if 1L says that children don't like hard pens, coercion is ineffective, but I still suggest starting with hard pens and starting with the basics.