The Brazilian Institute of Architects (IAB) and the Bernard van Leer Foundation (FBvL), in partnership with the Architecture and Childhood Group of America (ANDA), the Architecture & Children program of the International Union of Architects (UIA) and the Pan-American Federation of Architects Associations (FPAA), announce the second public call for all South American countries for the selection of best practices related to children, especially early childhood, to integrate the IAB's Arbo Platform.