The document describes two types of "Spark-a-Thons" to facilitate collaboration and idea generation. A Problem-Finding Spark-a-Thon encourages exploring problems in the field to foster bigger picture thinking. A Problem-Solving Spark-a-Thon uses role-playing, constraints, and group decision making to develop and refine ideas. Both approaches incorporate play elements and can be adapted for work contexts to overcome barriers to collaboration like silos and develop a more collaborative culture.