This study aimed to analyze the validity, effectiveness, and practicality of the E-LKPD (Electronic Student Worksheet) to improve the creative thinking skills of fifth grade students at SDN 1 Kutoharjo and SDN 2 Kutoharjo after participating in STEAM-based learning (Science, Technology, Engineering, Art, and Mathematics). This study used research and development procedures with reference to the 4D model (Define, Design, Develop, and Disseminate) but this research was only up to the develop stage. The research design used was "One Groups Pretest-Posttest Design" with 72 students as research subjects. The research instrument used was observation sheet, interview sheet, expert validation test sheet, written test (pretest and posttest), and questionnaire sheet (questionnaire). The results of the research, it can be analyzed that the validity of the E-LKPD according to the material expert validator is 91.6 in the very valid category, the media expert validator was 75 in the valid category, and the language expert validator was 85 in the very valid category. The effectiveness of E-LKPD according to the results of the N-Gain test calculation of 0.61 was included in the category of quite effective and showed that there was a significant increase in creative thinking skills before and after using STEAM-based E-LKPD with 91% classical completeness results with complete criteria. STEAM-based E-LKPD was declared practical according to the results of teacher and student respondents which showed that teacher respondents scored 83 and 80 in the very attractive category and student respondents produced an average score of 81 in the very attractive category. The conclusion of the research was the development of STEAM-based E-LKPD was suitable for distance learning activities and can improve students' creative thinking skills. Keywords: E-LKPD IPA, STEAM, Creative Thinking.
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