Development of Thematic Textbook Based on Nation Culture and Character for 4th Grader Student

This research aims to develop a thematic textbook product based on nation culture and character with the subtheme of ‘beautiful cultural diversity of my country’, and to know the effectivity level of the thematic textbook. The development of this thematic textbook was using Borg & Gall's research and development model, which involve two schools, i.e. Public Elementary School 1 and 2 of Langkapura, Bandar Lampung City. Data were collected by observations, tests and questionnaires. Data analysis techniques used were qualitative and quantitative techniques. The result of this research is the thematic textbook product based on nation culture and character with the validity level categorized as ‘very good’ and the thematic textbook based on nation culture and character was effective to improve learning outcomes