Worst thing we did was set off a rocket in the class room.

Once about 30 of us were in the playground and this guy kept on teasing us but would always stand by the door to the school and run inside as we all went charging for him. He would always give us the slip when he got inside school so after a while as soon as he ran inside we would stop running.

Anyway one time he started to tease us and we all started running and he was biding his time waiting until we got closer before running into the school. He then started wondering as we got closer why we had not stop. What he did not realise one of our friends was standing by the door and was holding it so he would not get in. When he turned around and realised that, he was pulling the door for his dear life. He could not open it and we battered him. That was fun!