A bath kit configured to transition from a crate form to a bathroom form is provided. The bath kit includes a bathtub enclosure surrounded by a first sidewall sub-assembly, a second sidewall sub-assembly, a rear bracing sub-assembly, a drop ceiling sub-assembly, and a floor sub-assembly. The sub-assembly components form the three sides, a top, and a bottom of the bath kit in crate form. These components are also configured to form the walls, ceiling, and floor of the bathtub enclosure in the bathroom form. The method of assembling the bath kit and the method of transforming the bath kit from a crate form to a bathroom form are also provided.