The footage of the house is 180 ping. The first floor is including garage, balcony, dining room, kitchen, Washitsu, guest restroom. There are master bedroom, study, living room, bathroom, fitting room on the second floor. The third floor is mainly children’s space, three child rooms and bathrooms. Also the environmental solar heating system and balcony are on the top floor. For breaking through the general design thinking, the space arrangement was based on the vital function by owner's needs. Every space is independent and separated but combined together like Lego as a building in the end.