The building as originally outfitted included bedrooms, classrooms, playrooms, and other public spaces. There are 35 general classrooms, 3 indoor playrooms, a multipurpose room and a kindergarten hall. Gakken also provides products for playrooms, study rooms, computer rooms and science rooms. For children, there are also several playrooms. Some were used as shacks, playrooms or preserved by museums. The design envisages a separate family sector with playrooms nearby. Casinos and playrooms continually create new rules to defeat angle shooting techniques.