There is a progressively rising demand for boxing gyms in Sydney which, are suitable for kids. Amateur boxing is an excellent sport for young kids not just for the exercise, but because it teaches excellent sportsmanship and discipline too. Visit: http://eightlimbs.com.au/muay-thai/
"Australia's premier Muay Thai, Boxing and Fitness training facility designed to encourage physical exploration and development across a variety of combat and conditioning disciplines."