The Little Gym and Snapology are set to hold a joint grand opening Sept. 17. The two companies will open a joint discovery center and gym at 5801 Long Prairie Road, Ste. 380, Flower Mound. The Little Gym is a program that helps children build developmental skills needed at each stage of childhood. Snapology gives children the opportunity to learn through play with STEAM and STEM programs. The new indoor play center will offer educational STEAM activities and physical activities like parent-child classes and pre-K and grade school gymnastics. www.thelittlegym.com, www.snapology.com