Barbie Dreamtopia Mermaid dolls shine in rainbow brights and inspire young imaginations to dive into storytelling. This Barbie Mermaid Doll makes a splash in a colorful bodice and sparkly tail with fantastical details. A bright headpiece in her long, teal and purple hair puts the finishing touch on her look. Barbie doll's tail bends at the waist, so kids can tell all kinds of tales of their own: Swim in the sea or sit and shimmer in the sun. It's easy to play out dreams real and imagined with Barbie Merma.