Dictogloss, also called Grammar Dictation, is an excellent activity for the classroom, a new technique which is getting more and more supporters. It has many advantages: it integrates the four language skills, it is suitable for all levels, it is a useful way of presenting new information to the students (vocabulary and grammar) and encourages them to listen for key points. Finally, they give support to less confident students, as they are encouraged to participate in their groups as part of the structure of the activity.

Here's a variation: A VIDEO DEMONSTRATION