The L.O.L. Surprise Tweens Mermaid Lana Marine fashion doll features a color-changing tail that shifts from magenta to deep purple when submerged in cold water, including a light pink fin that also transforms. The doll has a movable fin that swings back and forth for interactive play. Included accessories consist of sea shades, a seashell tiara, and a pearl belt for styling. With articulated joints at the waist and fin, the doll can be posed in multiple positions, including sitting and standing. This doll is part of a series of four L.O.L. Surprise Tweens Mermaid dolls: Cleo Clove, Lola Waves, Lana Marine, and Serena Finn.