Barbie Fantasy Hair Doll with Mermaid & Unicorn LooksUnicorn or mermaid? Barbie Fantasy Hair doll doesn't need to choose she comes with two fantasy looks that each include a colorful crown with hair extensions, themed top and accessories. The transformation to a mermaid or unicorn is easy! Put on the t shirt with the unicorn graphic or use the one with the mermaid, then add the matching headpiece. The colorful hair extensions on the crown add even more colors to the pink, blue and glittery streaks in