My Gym Children's Fitness Franchises - My Gym Offers Two Children's Fitness Franchise Opportunities. My Gym Storefront Franchise and My Gym Mobile Franchise. Either Way Become Part of the #1 Rated Children's Fitness Franchise*. Physical fitness is vital to the health of youngsters and now more than ever, as obesity in children becomes a source of serious concern in the US, parents and educators are looking to the fitness industry to provide a significant part of the solution. This presents a huge business opportunity, increased further by cuts in school budgets and the growing absence of safe play areas in parks and neighborhoods.   Learn more ...