An
inflatable device serving in one or more roles as furniture and / or equipment for exercise,
recreation, and / or therapeutic equipment, or in some combination of these functions is disclosed. The device consists of an
inflatable base (2) with one or more cavities or holes, with rounded
inflatable spheroid(s) (1) in said cavities or holes. The device may optionally include a
system of straps (3 and 4) or a form-fitting covering around the base, which may serve to correct an
asymmetry in said base. The device may include a weighted base (11). The device may also include means for generating lights, sound, and / or video (6, 7, 8, 9, 10, 12, and / or 13) responsive to the actions of users on or around the device.