A Birchbox or Glossybox subscription would be nice. I have had both, each month you get sent various beauty items. This months Glossybox I had some excellent products including Molton Brown & Huda Beauty.
Bracelet Doc Martens Matcha tea and accessories Guitar strap Urban Outfitters vouchers Perfume Mac lipstick Essie Nail Polish
I'm also considering/have bought:
Wireless headphones (so she doesn't keep pinching mine!) Money box (she wants to do a year out before uni in Japan so have bought her a ceramic one covered in cherry blossom that can only be opened with a hammer!) Scented candle (probably a small Woodwick) Phone case Make up bag Couple of books Chocolates Bath bombs