Im 15, live in Leeds,England and need a small part time job for a bit of cash!! help pleasee?

Im 15 and i really need a bit of money, I balance a lot, friends, school work, my dancing career, my boyfriend and also reaxing time but i need some money really bad, i dont really do babysitting and id like something on a saturday or sunday for a few hours in Leeds, any ide? Please helppp!!!?