The Barbie Brooklyn Roberts doll looks exactly like her character on screen after her wonderful transformation into a mermaid, with extremely long hair and an appearance that suits the underwater members of the royal family. With interchangeable fins, necklaces, tiaras, and a hairbrush, children can change her fantastic look for any adventure! Barbie Mermaid Power dolls inspire children aged 3 and up to recreate their favorite moments or dream up their own stories. The dolls cannot swim or stand alone.