(This course is suitable for any adult over the age of 16 who is interested in painting; there is only a minimum age limit, no maximum age limit, and retired people can still learn; as long as you can see, hear, and hold a pen, you have the ability to learn this subject course. Teaching from 0, covering the three core skills of sketching, hard-pen sketching, and colored pencils. It also gives you the freedom to be creative.)