This research aims to develop learning media that will aid in scientific learning. We determined that the light trial series is essential based on our needs analysis. The primary goal of this research is to create a media kit for elementary school students to conduct light science experiments. The experimental tool kit and the experiment guide module are included in the media kit. To achieve this goal, we use a 4-D model. the results of the questionnaire from this study showed a 3.86 with an excellent category. The developed light media kit has advantages, including complete, multifunctional, and more practical to use, easy to imitate, and his teachers' and student handbooks.