A shikake is a trigger for behavioral change to solve a problem. We proposes a Shikake Data Market (SDM) platform for giving everyone an opportunity to implement a shikake with restricted resources, such as ideas, expert knowledge and skill, practitioners, negotiators, and budget. As a preliminary case, we analyzed the collaborative creation at a shikake hackathon and revealed that collaboration among people with diverse expert backgrounds would improve the quality of the output. Based on this result, we discuss collaborative shikake creation.