Hungary’s first smart kindergarten is transformed from a prefabricated panel structure with sustainable solutions. Built in the late 1970s, the ten-story prefabricated apartment blocks on Gyöngyösi Street surround a tree-lined green promenade with small-scale retail buildings, a nursery, a kindergarten, and a school, including Gyöngyszem Kindergarten. The existing building was a flat roof single-story, flat-roofed, prefabricated paneled house with a central corridor.