This research is motivated by the low development of children's motor skills in PAUD Mekar Sari, this is caused by many factors, one of which is thought to be because of uninteresting media, thus making children bored in learning. The selection of learning media is one of the ways to achieve learning objectives, especially in improving children's motor skills, especially fine motor skills. This study aims to determine the ability to increase the effectiveness of the use of eggshell collage media in improving the fine motor skills of children aged 5-6 years at PAUD Mekar Sari. This type of research is quantitative with a quasi-experimental method with pretest and posttest designs. The population of this study is 15 children aged 5-6 years at PAUD Mekar Sari for the academic year 2021-2022, with a research sample of 15 children taken by purposive sampling technique. Data analysis used paired sample t-test. The results showed that before being given the action (pretest) the children's fine motor skills were categorized as starting to develop, after being given the action (posttest) the children's fine motor skills were categorized as developing and there was an influence of eggshell collage media on fine motor skills in children. Sig 0.000 < 0.05, it is recommended for parents and teachers to use eggshell collage media in improving children's fine motor skills.Keywords: Eggshell Collage Media, Fine Motor Ability