What to get my sister for her birthday?

My big sister is turning 14 in about a week and I need some ideas for prezzies!!! I could spend up to 10 pounds i suppose. she already has a phone and ipod and isnt very girly (sorta tom boyish) nothing wearable but really nice, any ideas??? please help cz i will be getting her present in 2 days (hopefully) any suggestions will help!! xx