Stanchfield, J. (2018, Dec. 4). Re-purposing icebreakers for reflection and review. Experiential tools. https://blog.experientialtools.com/2018/12/04/re-purposing-icebreakers-for-reflection-and-review/?mc_cid=d11ea5d7e0&mc_eid=d3a06fccb0

Jennifer Stanchfield originally learned this activity as a community building exercise from Aimee Desrosier Cochran. It can also be found in the following:

Stanchfield, J. (2016). Tips & tools for the art of experiential group facilitation (2nd edition). Experiential Tools. https://experientialtools.com/collections/my-books/products/tips-and-tools-the-art-of-experiential-group-facilitation