Fuji Kindergarten in Tachikawa, Japan, is an innovative school design. The building itself, designed by Tezuka Architects, is a key part of the children's education. In this article, the architects describe how the project developed and their inspirations and goals for this unique education facility that places children at the center. The spaces in this kindergarten building are in full view of each other. Problems such as bullying are reduced, because there are no closed spaces where actions can be hidden. There are no walls in this kindergarten. Piles of paulownia wood blocks, casually stacked up like building blocks, indicate the area for each class. The directors of the kindergarten believe that in this open layout, children will automatically adopt socially acceptable behavior patterns.