Make a real splash with the barbie rainbow lights mermaid doll dip this barbie doll into water to see her mermaid tail glimmer with colourful lights inspired by a sparkling rainbow its a total wow moment simply press the button in barbie dolls necklace to switch her to on mode and dip her into the tub or pool the colourful light show starts automatically once she is activated by the water or bring the magic ashore you can push the button in barbie dolls necklace to enjoy the li