To provide a material for study in the case small spaces for an individual person's hobby or affluence are constituted in a house by installing the device in a place where the knowledge relating to housing design of a housing exhibition hall, etc., is learned and to allow a person planning to build a house to visit this exhibition.

This device is installed in the place where the knowledge relating to the housing design of the housing exhibition hall, etc., is learned. The small spaces constituted in part in the house are arranged with several kinds of the small spaces to be used for the individual persons of the dweller in spending the time for the hobby and affluence to enable the persons to experience such time. The small spaces consist of a Japanese-style room W, a study space A, a housework space B, a miniature theater space M and a gallery space G.