A doll can symbolize the end of childhood when it is presented as a final gift at a quinceañera.
The final-doll tradition, sometimes called the última muñeca, represents the celebrant leaving childhood behind. In some versions, a parent or another relative gives the doll to the quinceañera; in others, she passes it to a younger sibling or child. The details differ across families and regions.
The ritual is symbolic rather than compulsory. Many contemporary celebrations leave it out or replace it with another meaningful gift. A quinceañera can include several symbolic moments, including the changing of shoes, the presentation of a tiara, and a formal dance with a parent.
The doll should not be confused with an ordinary birthday present. Its traditional meaning comes from the contrast between a childhood toy and the new responsibilities or maturity associated with the fifteenth birthday. Modern families may reinterpret that symbolism in a way that fits their own values.