Taekwondo and Wushu
For those naughty boys, parents can let them learn Taekwondo and martial arts.
Calligraphy, painting, musical instruments
If you want your children to look more stable, you can also let them learn calligraphy, painting, musical instruments and so on. For those introverted children, they generally don't like to talk, or even have little contact with people. For such children, it is also suitable for learning calligraphy, painting, musical instruments and so on.
Calligraphy and painting
Calligraphy and painting, in particular, can achieve the effect of self-cultivation and cultivate children's patience, especially introverted children can express their inner thoughts through painting.
musical instrument
Calligraphy is a good choice. As the saying goes, it is particularly important to write good words, which can not only cultivate sentiment, but also add points in the process of learning.