Breathing Exerciser is used to increase lung capacity in patients with decreased lung function. Made from rigid, non-toxic medical grade PVC. Specially designed with 3 stage chambers to provide more efficient exercise to patient at a step up basis. Device comprises a base and a central part with a 3 stage chamber, each containing spheres of different sizes, weight and colour. Provides lung exercise on a step-up basis, as the spheres rise proportionately to the breathing effort exerted by the patient. Can be dis-assembled into parts for cleaning and