Im almost 14 btw, it depends on the budget, the person and what the parents think, i live in a wealthy city so ive been asking for phone cases, lulu lemon, vera bradley, hollister, American eagle, perfume, makeup, uggs, Nike shoes, earrings, north face jacket, a beats by dre pill speaker.
If your not as wealthy a tv for there room, a iPod, clothes.
If the parents dont agree with makeup and perfume then clothes or a gift card are always good
Other interests: art kits, something they collect, sports stuff, scarves
Hope i helped