The Third Teacher and Dr. PLAY collaborate in educational design, campus planning and interior renovation for all schools in Hong Kong. We co-create with teachers and students to open up more possibilities for teaching and learning.The school space in Hong Kong is relatively small, and there are many public spaces that are not being welly used. PLAY Education can be put into these spaces and turned into amusement facilities. We help schools renovate their campuses, such as rooftops or courts, which used to be used only for ball games or physical education classes. If different facilities or ground patterns are added, it can become a multi-functional activity venue, making the campus more interesting and playful.