Baby Little Mermaid Ariel gets a bath and color changes with cold and hot water. This adorable baby doll is the Secret Reveal Ariel because when she takes a bath her mermaid tail changes colors from green to pink. The Disney Princess also comes with her fish Flounder. DisneyCarToys then opens hidden surprise toys in the bathroom like blind bags, surprise eggs and stickers. ❤ Product Info ❤. This video features the Disney Princess Secret Reveal Ariel Mermaid Doll. ❤ Video Links from Annotations ❤. BABY ALIVE POTTY TRAINING Doll Poops & Pees on Toilet with Brushy Brushy Baby Doll.