This report presents a child development study focusing on the observation and analysis of a 2-year-old child named Clair Dunes. The study investigates her developmental skills across various domains, including physical, cognitive, creative, language, and social-emotional aspects. The methodology involves natural observation, learning stories, running records, and event samples, with data collected using a checklist. The report discusses the advantages and disadvantages of each observation method and addresses ethical obligations, such as obtaining parental consent and maintaining confidentiality. The findings detail Clair's mastery of certain skills and areas needing further development, accompanied by learning plans and strategies. The report concludes with a summary of the observations, analyses, and recommendations for enhancing the child's development, referencing relevant studies on child development.