The MGA Mermaze Mermaidz fashion doll Crystabella from the Winter Waves series delights with a glitter-filled mermaid tail that changes color when in contact with cold water. The tail transforms from a purple shade into a soft ombre pink. With matching accessories such as toy makeup, a cup, and phone accessories, children aged 4 and up can reenact creative stories in a wintery world. This detailed mermaid doll offers versatile playtime fun and is ideal for collecting and gifting.