Taekwondo and any kind of martial arts are great for youngsters.
For one, it teaches them discipline and gives them confidence in the future. Not only that, it teaches them strength, concentration and most importantly, how to break stuff with your hands and feet.
This little fella, however, might be lacking on the latter.
Take a look.
Hi-ya? More like hi-awwww.... Yeah, we'll get our coat.