---
product_id: 640618037
title: "LOL Surprise Tweens Mermaid Serena Finn"
brand: "l.o.l. surprise!"
price: "$55.03"
currency: USD
in_stock: null
reviews_count: 13
category: "L.O.L. Surprise!"
url: https://www.desertcart.us/products/640618037-lol-surprise-tweens-mermaid-serena-finn
store_origin: US
region: United States of America
---

# Vibrant magenta to purple shift Movable fin for dynamic play Color-changing tail magic LOL Surprise Tweens Mermaid Serena Finn

**Brand:** l.o.l. surprise!
**Price:** $55.03
**Availability:** ❌ Out of Stock

## Summary

> 🧜‍♀️ Make Waves with Magical Mermaid Style!

## Quick Answers

- **What is this?** LOL Surprise Tweens Mermaid Serena Finn by l.o.l. surprise!
- **How much does it cost?** $55.03 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/640618037-lol-surprise-tweens-mermaid-serena-finn)

## Best For

- l.o.l. surprise! enthusiasts

## Why This Product

- Trusted l.o.l. surprise! brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pose Like a Pro:** Articulated joints let Serena Finn sit, stand, and strike endless stylish poses with ease and stability.
- • **Interactive Fin Fun:** Movable fin adds dynamic motion, making playtime feel truly alive and immersive.
- • **Dive Into Color Magic:** Tail transforms from magenta to deep purple with a simple cold water dip—bath time just got mesmerizing!
- • **Accessorize Your Mermaid:** Includes sea shades, shell tiara, and pearl belt to customize your doll’s underwater glam look.
- • **Collect the Mermaid Squad:** Complete your collection with all 4 L.O.L. Surprise Tweens Mermaids for endless social and imaginative play.

## Overview

The L.O.L. Surprise Tweens Mermaid Serena Finn doll features a color-changing tail activated by cold water, a movable fin for dynamic posing, and comes with stylish accessories including sea shades, a shell tiara, and a pearl belt. Designed for kids ages 4+, this articulated doll offers versatile play and collectibility with 4 unique mermaid characters, perfect for bath time and imaginative adventures.

## Description

I'm in Be Tween, with underwater style and colorful surprises like you've never seen! Look out world, cuz we mermaids are going to make a splash! Get ready to dive into an enchanting world of magical mermaid fun with the all-new L.O.L. Surprise Tweens Mermaid Serena Finn fashion doll with dazzling accessories to unbox! Perfect for bath time and imaginative play, Serena Finn brings a splash of excitement with her beautiful color-changing tail and mesmerizing fin that can move back and forth! Dip your Tweens Mermaid doll into cold water and watch as her tail transforms colors from light purple to magenta, creating a magical underwater experience! Can you guess what her rose pink fin changes colors to? Don’t forget to style your doll with her charming accessories including her sea shades, floral headband, and cute ruffled pearl belt! She has stunning features, gorgeous hair, her own fashionable mermaid look, and comes articulated for tons of posing opportunities, including sitting as she bends at her waist! She can even stand on her fin, making styling your doll even easier with greater stability! Discover what’s inside each box including a fabulous L.O.L. Surprise Tweens Mermaid doll, glasses, a headband, and a belt to complement the doll’s tail! Collect all 4 glamorous L.O.L. Surprise Tweens Mermaid fashion dolls: Cleo Clove, Lola Waves, Lana Marine, and Serena Finn for a complete set of endless mermaid fun! L.O.L. Surprise fashion dolls with stylish hair, outfits and many detailed accessory pieces make a perfect toy for kids, including 4 years old and up for imaginative pretend play! As gifts for any special occasion, dolls provide hours of social play with siblings and friends! From MGA Entertainment, creators of L.O.L. Surprise fashion and collectible dolls, Rainbow High™ fashion dolls, Na Na Na Surprise dolls, Bratz® fashion dolls, MGA's Dream Ella™, MGA's Glitter Babyz™, Lalaloopsy™, Baby Born® Surprise baby dolls and collectibles, Little Tikes® kids toys and many other favorite brands.

Review: Perfect gift for a 5-year-old mermaid-in-training! 🧜‍♀️ - I got this for a 5-year-old and she was obsessed! The color-changing tail, fun accessories, and movable fin make it extra magical. It’s the perfect mix of sparkle, sass, and mermaid fun—an easy win for any LOL Surprise fan. 🎁 Great gift 🌈 Interactive features 💖 Kid-approved cuteness!
Review: Such a cute doll, my 5 year old loves it! - My 5 year old loved this doll! Good size, very durable, color is vibrant, good value!

## Features

- DISCOVER WHAT’S INSIDE?!: Get ready to dive into an enchanting world of color magic and surprises with the all-new L.O.L. Surprise Tweens Mermaid Serena Finn fashion doll with dazzling accessories to unbox!
- COLOR CHANGING TAIL: Dip your Tweens Mermaid doll into cold water and watch as her tail transforms colors from magenta to deep purple, creating a magical underwater experience perfect for bath time and imaginative play! Can you guess what her light pink fin changes colors to?
- MOVABLE FINS: Serena Finn brings a splash of excitement with her mesmerizing fin that can move back and forth!
- UNBOX CUTE ACCESSORIES: Don’t forget to style your doll with her charming accessories including her sea shades, sea shell tiara, and cute pearl belt!
- ARTICULATED FOR ENDLESS POSES: The doll comes articulated for tons of fabulous posing opportunities, including sitting as she bends at her waist and standing on her fin to style your doll easier with greater stability.
- COLLECT THEM ALL: Collect all 4 glamorous L.O.L. Surprise Tweens Mermaid fashion dolls: Cleo Clove, Lola Waves, Lana Marine, and Serena Finn for a complete set of endless mermaid fun!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CST8R793 |
| Best Sellers Rank | #95,148 in Toys & Games ( See Top 100 in Toys & Games ) #1,669 in Dolls |
| Customer Reviews | 4.8 4.8 out of 5 stars (414) |
| Item Weight | 6.4 ounces |
| Item model number | 510598 |
| Manufacturer | MGA Entertainment |
| Manufacturer recommended age | 4 - 12 years |
| Product Dimensions | 5 x 2.5 x 10 inches |
| Release date | July 7, 2024 |

## Images

![LOL Surprise Tweens Mermaid Serena Finn - Image 1](https://m.media-amazon.com/images/I/81ZCQKf657L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect gift for a 5-year-old mermaid-in-training! 🧜‍♀️
*by S***T on June 30, 2025*

I got this for a 5-year-old and she was obsessed! The color-changing tail, fun accessories, and movable fin make it extra magical. It’s the perfect mix of sparkle, sass, and mermaid fun—an easy win for any LOL Surprise fan. 🎁 Great gift 🌈 Interactive features 💖 Kid-approved cuteness!

### ⭐⭐⭐⭐⭐ Such a cute doll, my 5 year old loves it!
*by J***Y on November 26, 2025*

My 5 year old loved this doll! Good size, very durable, color is vibrant, good value!

### ⭐⭐⭐⭐⭐ Great Gift
*by J***F on July 7, 2025*

An amazing gift. Great quality. Tail definitely changes in cold water. Cute, fun and stylish.

## Frequently Bought Together

- LOL Surprise Tweens Mermaid Serena Finn Fashion Doll with Color Changing Tail, Movable Fin, and Beautiful Accessories – Toy Gift for Kids Ages 4+
- LOL Surprise Tweens Mermaid Lola Waves Fashion Doll with Color Changing Tail, Movable Fin, and Beautiful Accessories – Toy Gift for Kids Ages 4+
- LOL Surprise Tweens Mermaid Cleo Clove Fashion Doll with Color Changing Tail, Movable Fin, and Beautiful Accessories – Toy Gift for Kids Ages 4+

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-08*