This insightful manual curriculum and instruction development of science subject of the first key stage of Bantungsohongsa school were targeted at students, teachers and including those education administrators who were responsible for providing comprehensive teaching management on information of curriculum and instruction development of science subject of the first key stage of Bantungsohongsa School, beyond National Education Act, Basic Education Curriculum B.E 2544 and School Curriculum. The researcher had studied through an extensive academic survey and had done  through on documentary papers, tracts, books and treatises on the writings of manual and the detailed literacy sketch on the principle, philosophy and theory on the manual. Then 5 erudite specialists  had scrutinized and persued the questionnaire with great care. Thereafter, the accomplished process of final stage of the manual probability for applying the mentioned manual to effective implementation of checking by 20 specialists.
	This manual had provided the information about the curriculum, the teacher method, the evaluation and the substance of science for the first key stage which compiled the knowledge of various academic concluding the manual probability for applying which had met the average to be practicable with the level of 4.44
