Barbie It's A Mermaid Tale - Merliah is from the Barbie movie, A Mermaid Tale. The Merliah doll has a beautiful and unique transformation. She is a cool teenager from Malibu, but when you pull her hood down, she is a secret mermaid! Just detach and pull down for transformation. Merliah also features colour change hair, colour change toes, and body art tatoos that will appear on her stomach and arm when activated with cold water. Includes doll and glittery pink dolphin.