The document discusses using CLIL (Content and Language Integrated Learning) methodology to develop competencies for participation in European projects. It proposes a 6C CLIL model involving content, communication, community, cognition, creativity, and complexity. An example activity is described where students exchange personal objects to reflect on the difference between an object's cost and its value or meaning. The goals are to improve language skills, learn about consumption and values, and develop interpersonal skills through interaction and reflection.