The main event is the all-day Trainer for a Day program (13 and older), which lets guests don a wetsuit and work with a family of bottlenose dolphins alongside animal experts, learning about dolphin behavior and the Dolphin Habitat's research projects that aid in the survival of dolphins in the wild.
You may want to consider finding a coach or certified personal trainer who can help you develop a similar program and make sure your daughters use proper form.
Instead the school has what might be described as a fitness center with an on-site trainer who works with each student not on random mandatory athletic units but instead on a tailored program for how to live a healthy life.
Samsung mention that the Xcover 2 will also pack a Cardio trainer Pro workout app, although there doesn't appear to be any hardware additions to augment the fitness program -- aside from a strap holder.