The purposes of the research were to 1) evaluate the effective management result using  Demonstration Method e-Learning which achievement and satisfaction for science subject Principles of Algorithm and Logical Problem Solving for grade 4 students Watwangtaku School, 2) compare students’ learning achievement before and after learning the developed management results using Demonstration Method e-Learning, and 3) assess student’ satisfaction towards learning with the management results using Demonstration Method e-Learning. The sample group used in this research was 21 students in grade 4 students Watwangtaku School. The research instruments include learning management plan lessons, e-Learning, achievement of learning and questionnaire. The research statistics used in data analysis, percentage, mean, standard deviation and t-test dependent.