Credit: SWNS<br /><br />Students at Scotland’s oldest university covered each other with foam and gave their mentors a pound of raisins today - in a bizarre tradition.<br /><br />The University of St. Andrews has a long-standing tradition of ‘academic parents’ – older students who have ‘children’ to look after and mentor throughout their first year.<br /><br />Raisin Weekend is traditionally a time for ‘parents and children’ to bond, meet new people and have some quirky fun.<br /><br />Raisin Monday, held this year on 16 October, involved 'parents' dressing up their academic children and having a foam fight across the historic lower college lawn.<br /><br />A statement from the University of St. Andrews student union said, “Raisin Weekend is one of the biggest traditions in St Andrews, so called because children traditionally gave their academic parents a pound of raisins as a thank you for welcoming them to the town.