Using @Jonathan Courtney 's 4C framework, there are 80 great tools in the following book thet you may build a workshop around them. The book's title is: "Design. Think. Make. Break. Repeat". [Tomitsch, M., Borthwick, M., Ahmadpour, N., Cooper, C., Frawley, J., Hepburn, L.A., Kocaballi, A.B., Loke, L., NĂșñez-Pacheco, C., â Straker, K., âWrigley, C. (2021). Design. Think. Make. Break. Repeat. A Handbook of Methods (revised edition). BIS Publishers, Amsterdam, The Netherlands.] More info and the list of methods: http://designthinkmakebreakrepeat.com/