Being 16 also... If I didn't have this hobby uhh I would like a hot looking girl

Ok, he will look at you like an idiot the first time for a few seconds but if you leave them alone and after a few hours he comes back he will love you for sure!
An Iphone would be awesome too yes, but too expensive. Or maybe you could buy him some shoes? (LET HIM CHOOSE WHICH SHOES! It will end in a disaster if you buy them without asking lol) Shoes aren't that expensive, right? Or euhh.. a football a soccerball? Something like that? Or uhm... a cool gadget or something that isn't too expensive.
Well, good luck buying something for him!