Abstract: A kit collapsible readily to be confined neatly in a foldable two-part travelling case embodied with the kit and to provide, when extended, a sauna bath apparatus embracing a water-tight, water-collecting base receptacle, a porous, plastic web covered cot overlying and supported by said receptacle, a tent overlying and enclosing said cot and extending downwardly between said cot and said receptacle, a foldable cushioned head stool being included in said kit and located at one end of said tent opposite a hole in an end wall of the latter to facilitate the patron reclining on said cot with his head extending through said hole and resting on said cushioned stool. Plural electric steamers deposited in said receptacle are controllable by the patron to furnish a desired degree of heat and humidity to the interior of the tent.