OK I need some help, We have a bit of rivalry going with another Uni and like to pull pranks on each other. Up to now it hasn't been that amazing but quite funny, we have clingfilmed and tin folied their minibus, repainted their office, stolen various random objects and are about to kidnap a few of their members and drop them off all over the country. I need some help from you sick genius f*cks to think of something even better to pull on them. Preferably something original that but doesn't cause too much damage. Problems being that I cannot get any keys to their office, minibus or anything, as all staff have been warned that we're coming and will be trying to pull pranks. I will probably be watched at all times, for some reason they seem to think I am the ringleader .I am sure I will be able to lose them but probably not for long before they suspect I am up to something.