what to get a 15 year old boy for christmas

Well, that depends on his interests and hobbies! Is he into sports or music? Does he enjoy playing video games or reading? Is he more of an outdoorsy type who loves nature and exploring? Once you have a better understanding of his interests, you can find a gift that suits him perfectly. You could get him a new video game, a book related to his favorite subject, or even a gift card to his favorite store. Or, if you're feeling creative, you could make him something special, like a personalized gift basket with some of his favorite things in it.