This document discusses the theory of schemas and how it applies to understanding the development and learning of a child named Upsy Daisy. It describes Piaget's theory of cognitive development in stages and defines schemas as patterns of behavior that develop through experience. The document outlines observations of Upsy Daisy's play that indicate schemas around containing and enveloping objects. It proposes next steps for planning activities to further develop Upsy Daisy's language and thinking through engaging with these schemas.