You can buy two basic calligraphy tablets, Yan tablet and Xuanmi pagoda tablet, for about 3-5 times, and then buy Danba tablet and Master Meng tablet for strengthening treatment, which can not only finalize the brush calligraphy, but also greatly help the pen calligraphy. After that, if you are interested, you can buy the research book "Wei Jin Tang Xiao Shu Ji", which can cultivate your temperament and be of great benefit to your character.
By the way, the copybook upstairs is not the original version of tern Liu Zhao, but a variant. The copybooks I said are all required by Central America and Gome, and the fonts are much better than others.