The purpose of this paper is to examine the facilities and activities of the Shiba Children's Hall which was built just after the enactment of the Child Welfare Act and approved as children's hall under such act by Tokyo Metropolitan Government. The following points became clear in this examination. The Shiba Children's Hall was planned taking the opportunity of a receipt of a personally donated fund and was designed by Kouno, the architect who was in charge of developing the children's hall section of the draft of Children's Welfare Act. The hall was run under private management and was supported by the Tokyo League of Regional Women's Organizations but was in financial difficulties for 22 years. Despite this, through the review of its activities it was found out that the hall was used for various activities including fine arts, dramas, concerts and the like for the children and occasionally for their mothers. From the facility point of view, only half of the plan designed by Kouno was built and the rest was never built. If the plan was implemented fully, the hall could have been a model case of children's hall. In order for us to envision the future direction of children's halls, it will be helpful to consider the facilities and activities of private children's hall built from 20's to 30's of the Showa era.