Beyond the waves, beneath the surf, into the deep blue follow the fabulous fins of Mermaze Mermaidz to discover something amazing! Each Mermaze Mermaidz doll has a unique, sculpted tail that performs a magical, dramatic color change when submerged in water. Riviera's tail changes from a dark metallic blue to teal with a silver fin when it comes in contact with warm water. Each Mermaze Mermaidz doll has articulation points at the neck, shoulders, elbows, wrists, torso, waist, and fin to allow for so many poses! Her tail also doubles as a stand when the fin is bent 90 degrees, so she can really stand on her own.