The theme of this diploma thesis is Sinjska alka as heritage content in the context of primary education. Heritage is the totality of the preserved and cherished cultural assets from past. Its main feature is to preserve and nurture everything that our ancestors have left us, such as culture, tradition, local wisdom. Considering that cultural heritage is an essential part of every nation's cultural heritage and the foundation for the creation of identity, objective of this study was to observe the important heritage value of Sinjska Alka to be used in the methodological design of educational content of primary school pupils. A total of 22 students attending the project did participate in the study. The students after school completed questionnaire consisted of three questions. The research was conducted on April 26, 2017. In the first part of the thesis, the theoretical features of Sinjska alka, cultural heritage and project teaching were presented, while in the second part the methodology of the research was described. After the research we can conclude that project teaching and working in groups is an excellent way to get acquainted with the heritage content.