Children begin by learning about freediving physics, along with swimming at the surface, duck diving, and FIM/CWTB techniques. Later, they discover equalization methods and how the human body works underwater, work further on FIM/CWTB, and learn CWT technique. Advanced students learn about sea mammals and more freediving theory, learn blackout rescue, and continue to slowly increase depth and work on FIM/CWT/CWTB techniques.