The LOL Surprise Tweens Mermaid Serena Finn Fashion Doll brings a splash of creativity and wonder into playtime for kids ages 4 and up. With her color-changing tail and movable fin, children can explore scientific concepts like temperature change while developing imaginative storytelling skills. This enchanting doll also encourages fine motor development through dressing and accessorizing, making it a delightful addition to any educational play collection. 4+ years