This research will show about (1) the characteristics and implementation of blended learning model GAWI SABUMI; (2) The appropriateness of implementation blended learning model GAWI SABUMI; (3) the effectiveness of implementation blended learning model GAWI SABUMI to improve soft and social skills pass COVID-19 pandemic. The method of this research uses Research and Development (R&D) with the Four-D model (definition, design, development, and dissemination). The sample of this research is 45 person elementary school students on Banjarmasin. Collecting data use observation, documentation, interview, test, and questionnaire. Observation is used to know the effectiveness of implementation blended learning model, the improvement of ecological awareness, critical thinking, problem-solving and independence, collaboration, negotiation and analytical thinking. Documentation is used to collect every document along with the implementation of this model. The interview is used to know the effectiveness of this model from the teacher and student side. The test is used to know the improvement of critical thinking and problem-solving skills. The last, questionnaire is used to know the effectiveness of the implementation of a blended learning model GAWI SABUMI to improve soft and social skills. Data analysis uses the Interactive Model from Miles and Huberman. The indicator of this research improvement of revolution 4.0 skills included: critical thinking, problem-solving, analytical thinking, collaboration and negotiation. The result shows that (1) the characteristic and implementation of the blended learning model GAWI SABUMI consist of Group, Analysis, Work Together, Inform, Solve the problem on outdoor, Actualization of solution, Battle games, Unity on role play, Manage conclusion and Invent the creation; (2) blended learning model GAWI SABUMI is appropriate to be used according to the results of the validation from 3 experts with validation percentage of learning model 91%, skills development 84,56% and learning media 86%. (3) blended learning model GAWI SABUMI is effective to be used in learning based on the results of evaluations using instruments of soft and social skills. The improvement after implementation blended learning model, the students who are getting high criteria on ecological awareness increase to 81,3%, critical thinking increase to 85,6%, problem-solving increase to 75,6%, analytical thinking increase to 81,4%, collaboration increase to 77,6%, independence increase to 77,2% and negotiation increase to 80,6%. The conclusion is blended learning model GAWI SABUMI can improve students' industrial revolution 4.0 skills.