This assignment examines the concept of the 'third teacher,' referring to the environment's significant influence on a child's mental and physical development in early childhood education. Utilizing a qualitative research paradigm, it conducts content analysis of secondary data to understand this impact. The study aligns with Australia's 'Early Years Learning Framework' (EYLF) and 'National Quality Standard' (NQS), drawing upon Reggio Emilia and Bush kinder education theories that emphasize the importance of open spaces and physical environments in nurturing children's skills and capabilities. The assignment highlights the need for safe and secure indoor-outdoor environments designed to maximize learning opportunities.