This study reveals the social practices in an Indonesian family who has lived in three countries - Indonesia, Australia and The United States. Three languages are spoken inside and outside the family circles. They are Indonesian Language or Bahasa Indonesia, English and Javanese (one of the local languages in Java Island). The purpose of this research is to investigate and describe how the social practice is structured in the family and how the social space with its own rule raises the children’s agency and enaction within the family’s social practices. The research findings show that the social practices which provide space for children promote children’s agency to express their thoughts and bridge their curiosity, inquiry and meaning making

Keywords : Literacy, Agency, and Social Practices.