The biotechnology club is a working group for escpecially qualified students, which are active in scientific area. We, the participants, are students of the Johanna-Wittum high school. Our working group is known for our international projects, for example our schoolpartnerships with china and america and european countrys in the context of the Easmus+ projects. Our exchanges on european basis are very popular because there are many new things to learn and it opens many doors. Therefore it is a lot of fun to work with other interessted students, exchange the knowledges and to build international friendships. We are meeting on aranged saturdays, where we try out our different projects. Every year we specialize, optimize and update experiments and different task for the working Group.