Of course, you should give her a cute squinting rabbit or a sleepy bear as a birthday gift. Girls of this age like these plush toys and treat them as friends. Girls of this age are very loving, but it is also a good thing. Being loving is something that deserves praise. You can also give her her favorite Barbie doll on her birthday. Some girls also like piano very much. You can give her a good electronic keyboard. Even if she doesn't learn it in the future, it won't be a waste.
She will definitely like a cartoon bouquet. I have seen cartoon bouquets. They are very beautiful, and they are not ordinary ones. There are also cute cartoon dolls on the flowers. There is no problem in preserving them for a long time. Girls also love chocolate. It is also very good to give her customized handmade chocolate. The rich and fragrant chocolate is matched with your craftsmanship. Sister will definitely be very happy.
Birthdays are also happy things. It is also a good idea to take your sister on a trip. She will be very happy. She can go to a place that is not very far away to play, and let her experience the fun of traveling, which will also help her future growth.