If you can’t decide what to get your niece for her birthday it might be helpful to learn more about your interests. Many little girls love animals, doll houses and tea parties. Buying a gift related to one of her favorite hobbies is always a safe bet.
If she collects doll houses for example, you may get her a few pieces of doll house furniture. Try to pick items she won’t have. Also make sure you pick out furniture that will fit into her doll house; regular-sized furniture is not doll house-sized furniture.