The aim of the study was to investigate the perceived factors influencing the possibilities of engaging more children and youth in organized physical activity during their leisure time within the current IOP project. The studys method used semi-structured interviews for data collection. Conventional content analysis was used for data analysis. The results indicate that resources, organizationalstructure and activites, and the interest of children and youth have the greatest impact on their level of engagement in physical activity. Girls, children from different ethnic backgrounds, and those lacking adult role models were considered more challenging to reach. The informants unanimously emphasized the importance of increased collaboration. The conclusion drawn is that access to economic resources, visible organizations, and children and youth's own interest are crucial in promoting their physical activity. The lack of these factors was found to be a hindrance. Challenges were identified in reaching girls, children from different ethnic backgrounds, and those lacking adult role models. The informants emphasized the significance of increased collaboration for promoting physical activity among children and youth.