One word per slide, to be printed, then distributed to each pupils in class (some pupils may have two cards or you can use fewer cards). Then say a sentence in English, pupils with the words in German stand up and form a sentence. You can start simple “I like French” and build up using the More…weil clause, and the pupils must make sure they get the word order right. Can use for a starter or plenary and getting them moving. Not much organisation needed except printing and handing out to pupils.