Great decision, because the best thing you can do for a child in childhood is to give him to some good sports section, and dancing in my opinion is one of the best activities that develops in the child many positive qualities, namely artistry, self-confidence, activity, empathy, self-control, discipline, perseverance, etc. By the way, as far as break dancing studio is concerned, I would recommend this one
http://kidsinthebeats.com/classes/break-dance/.