Barbie Dreamtopia Rainbow Lights Mermaid Doll, Blonde Make a real splash with this magical light-up Barbie mermaid doll Dip Barbie Rainbow Lights Mermaid doll into water to see her mermaid tail glimmer with colorful lights inspired by a sparkling rainbow Press the button in Barbie dolls necklace to switch her to on mode, and dip her into the tub or pool to activate the light show Bring the magic ashore -- you can push the button in the dolls necklace to enjoy the light show without water Rainbow fins, a pearl-details belt, pink-streaked hair and a princess tiara complete the head-to-toe magical mermaid look