A display kit comprising: - at least one, preferably a plurality of, hydrothermal sanitary components (10a-10d), optionally wherein said at least one, preferably a plurality of, hydrothermal sanitary components (10a-10d) is a full-scale model replicating the visible part of the real, operative, corresponding component or a part of the real, operative, corresponding component, and - a display system (1, 1') for the at least one hydrothermal sanitary components (10a-10d), comprising: at least a first device or module, comprising an exhibition panel configured to lay, in use, at least partially on a plane substantially inclined with respect to a horizontal plane and destined and configured to support a plurality of hydrothermal sanitary components (10a-10d); and retention means (2f, 4, 10p, 11) configured to realize a removable connection between the exhibition panel and the hydrothermal sanitary components (10a-10d), the retention means (2f, 4, 10p, 11) being further destined and configured to allow a repeated multiple re-arrangement of the hydrothermal sanitary components (10a-10d) on the exhibition panel according to a plurality of user-defined and re-definable patterns or spatial configurations, simulating a real installation of said hydrothermal sanitary components (10a-10d) in an operating environment, such as a bathroom or similar, wherein said retention means (2f, 4, 10p, 11) comprise at least a respective first retention element irremovably engaged to a respective hydrothermal sanitary component (10a-10d), and wherein at least one front surface of the exhibition panel is specifically configured and destined to directly contact and interact with at least a part of the first retention element to realize said removable connection. - at least one, preferably a plurality of, hydrothermal sanitary components (10a-10d), optionally wherein said at least one, preferably a plurality of, hydrothermal sanitary components (10a-10d) is a full-scale model replicating the visible part of the real, operative, corresponding component or a part of the real, operative, corresponding component, and - a display system (1, 1') for the at least one hydrothermal sanitary components (10a-10d), comprising: at least a first device or module, comprising an exhibition panel configured to lay, in use, at least partially on a plane substantially inclined with respect to a horizontal plane and destined and configured to support a plurality of hydrothermal sanitary components (10a-10d); and retention means (2f, 4, 10p, 11) configured to realize a removable connection between the exhibition panel and the hydrothermal sanitary components (10a-10d), the retention means (2f, 4, 10p, 11) being further destined and configured to allow a repeated multiple re-arrangement of the hydrothermal sanitary components (10a-10d) on the exhibition panel according to a plurality of user-defined and re-definable patterns or spatial configurations, simulating a real installation of said hydrothermal sanitary components (10a-10d) in an operating environment, such as a bathroom or similar, wherein said retention means (2f, 4, 10p, 11) comprise at least a respective first retention element irremovably engaged to a respective hydrothermal sanitary component (10a-10d), and wherein at least one front surface of the exhibition panel is specifically configured and destined to directly contact and interact with at least a part of the first retention element to realize said removable connection. at least a first device or module, comprising an exhibition panel configured to lay, in use, at least partially on a plane substantially inclined with respect to a horizontal plane and destined and configured to support a plurality of hydrothermal sanitary components (10a-10d); and retention means (2f, 4, 10p, 11) configured to realize a removable connection between the exhibition panel and the hydrothermal sanitary components (10a-10d), the retention means (2f, 4, 10p, 11) being further destined and configured to allow a repeated multiple re-arrangement of the hydrothermal sanitary components (10a-10d) on the exhibition panel according to a plurality of user-defined and re-definable patterns or spatial configurations, simulating a real installation of said hydrothermal sanitary components (10a-10d) in an operating environment, such as a bathroom or similar, wherein said retention means (2f, 4, 10p, 11) comprise at least a respective first retention element irremovably engaged to a respective hydrothermal sanitary component (10a-10d), and wherein at least one front surface of the exhibition panel is specifically configured and destined to directly contact and interact with at least a part of the first retention element to realize said removable connection.