Teamwork and cooperation are important 21st century skills and therefore important parts of the higher education curriculum. Following Kolb's "experiential learning cycle" model a combination of project work and moderated reflection can help students to acquire these skills. This article elaborates how LEGO® Serious Play® (LSP) can be used to stimulate and moderate student's reflection on their teamwork skills in the setting of a university course. A focus is placed on the process and goals of the LSP method, the implementation in the workshop and the benefits of using LSP for this reason.