Prepare different working spaces, according to the techniques you plan to use. This can be for example a collage area,typewriter area, scanner area e.t.c.
Each person write some of their ideas for topics for the Fanzine on small papers. We mix together all the proposals.
Depending on the size of your group, divide it in subgroups with 4 or 5 people in each.
Each group take 2,3 or 4 topics to work with, when creating the Fanzine.
Start to create! The groups go through the differents areas to create the fanzine, exploring the techniques, and the materials.
At some point of the session, exchange the fanzines between the groups, so they continue working on the other Fanzines. Each group can intervene in the other Fanzine. In this way all the Fanzines will be created by the whole group.