Barbie Mermaid Rainbow Transformation (GTF89) doll by Mattel Barbie Mermaid Rainbow Transformation doll is an ideal gift for mermaid fans and water adventures! :) Prepare for a magical color change! Immerse the Barbie® mermaid doll in warm water and watch her hair, top and tail change colors immediately, showing a whole rainbow of beautiful pastel colors! Immerse it in ice water and the colors will return to the original version. You can repeat this transformation forever! The Barbie doll by Mattel is perfect as a gift for a girl 3 years old and older. The doll doesn't stand or swim alone. Colors and decorative elements may vary. Package dimensions: 23 x 32.5 x 5.5 cm