Play contributes to learners developing physical skills, their understanding of different concepts, their ability to solve problems, their self-confidence and motivation, and an awareness of the needs of others. The study was guided by this objective: - To determine the availability of play materials and their influence on children acquisition of physical skills in Koibatek Sub-County, Baringo County. The study was guided by experiential learning theory by Kolb. The researcher adopted descriptive research design. The researcher targeted all the 250 ECDE centers in Koibatek Sub-county. Simple random sampling was used to select 152 ECDE centers and purposively selected 152 ECDE teachers, one teacher from each selected ECDE centers. Validity of the research tools were established by use of education experts at the university, while reliability of the instruments was tested using pilot data and a co-efficient threshold of more than 0.70 accepted. The data was collected using a questionnaire. Data findings were analyzed with the help of a Statistical Package for Social Sciences (SPSS) and the results presented using tables, graphs and narrative. The study findings indicated that there were adequate play materials in the ECDE centers. In addition, availability of play materials, significantly influenced acquisition of physical skills (p=0.000), with the later contributing to 34.0% of the physical skills. The study recommended enforcing the ECDE standard guidelines and deploying adequate, trained and qualified ECDE teachers to implement curriculum. The researcher paid keen attention to research ethical issues and got the informed consent of the respondents and guarded against plagiarism and ensured confidentiality.