Ceramic enamel tiles, wooden tiles, ceramic tiles, earthenware tiles, glass tiles, gypsum tiles, and clay tiles for walls, floors and ceilings; non-metal wall tiles; grout, and prefabricated grout grids in which the aforementioned tiles may be placed; a kit primarily consisting of ceramic enamel tiles, wooden tiles, ceramic tiles, earthenware tiles, glass tiles, gypsum tiles, clay tiles, non-metal wall tiles, aluminum tiles and a prefabricated grout grid in which the aforementioned tiles may ...