---
product_id: 435221610
title: "Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years"
brand: "koatobbor"
price: "€ 45.43"
currency: EUR
in_stock: true
reviews_count: 13
category: "Koatobbor"
url: https://www.desertcart.pt/products/435221610-girls-mermaid-costume-mermaid-tutu-dress-color-led-light-up
store_origin: PT
region: Portugal
---

# LED light-up tutu skirt Handmade vibrant tulle with starfish & flowers Adjustable satin shoulder straps Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years

**Brand:** koatobbor
**Price:** € 45.43
**Availability:** ✅ In Stock

## Summary

> 🧜‍♀️ Light up her world with mermaid magic and endless sparkle!

## Quick Answers

- **What is this?** Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years by koatobbor
- **How much does it cost?** € 45.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/435221610-girls-mermaid-costume-mermaid-tutu-dress-color-led-light-up)

## Best For

- koatobbor enthusiasts

## Why This Product

- Trusted koatobbor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Glow Like a Starfish:** Multicolor LED lights bring magical sparkle to every party and playtime.
- • **Party-Ready & Versatile:** Ideal for birthdays, Halloween, themed events, or everyday dress-up adventures.
- • **Effortless Mermaid Magic:** Easy on/off design with stretchy crochet bodice and adjustable straps for all-day comfort.
- • **Handcrafted Undersea Charm:** Vibrant handmade tulle adorned with delicate starfish and floral accents for authentic mermaid vibes.
- • **Perfect Fit for Little Sea Queens:** Sized for ages 3-8, ensuring a dreamy fit that grows with your child’s imagination.

## Overview

The Koatobbor Girls Mermaid Costume is a handcrafted tutu dress featuring multicolor LED lights, adjustable satin straps, and a stretchy crochet bodice, designed for girls aged 3-8. Perfect for birthdays, Halloween, and themed parties, it includes a matching mermaid headband and requires 3 AAA batteries (not included). With vibrant starfish and flower details, this costume blends comfort, style, and enchanting glow to make every little girl feel like a true mermaid.

## Description

desertcart.com: Koatobbor Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years : Clothing, Shoes & Jewelry

Review: Twinkling tails and birthday smiles - This dress is pure enchantment. The purple bodice with starfish and flower details, combined with the light-up multicolor tutu skirt, makes it an instant favorite for birthday parties, Halloween, or just backyard mermaid missions. I love the bonus LED feature, which adds sparkle without being too bright—just enough to wow without overwhelm. The matching seashell headband completes the look and fits snugly (yes, it’s adjustable!), making the whole set feel like an undersea celebration in motion. At 4.6 stars across 481 reviews and 300+ purchases this month, it’s clearly delighting lots of little sea explorers. Ours was first scooped up in February and it still makes waves in the dress-up bin. If you’re looking for a costume that blends princess charm with magical flair, this one floats to the top—and it’s earned every shimmer.
Review: Special! - This made a 5 year old little girl over the moon happy. Absolutely adorable, marveled by all who saw her wear it constantly! She did not want to take it off. For the price, absolute find!

## Features

- 【GIRLS MERMAID COSTUME】Include 1 LED light up mermaid dress+ 1 Mermaid headband. It is suitable for 3~8years old girls.（Please purchase 3 Pack AAA batteries separately ）
- 【LED LIGHT UP DRESS】Girls can wear dress without LED light during the day. At night, when your girls wear it on, she will looks more glamorous.
- 【EASY to WEAR】Mermaid tulle tutu skirt with adjustable satin shoulder straps, knitted crochet elastic top bodice, It is easy to put on and put off for your girls.
- 【HANDMADE】This mermaid costume is handmade vibrant color tulle costume decor with starfish and flowers. When your girls wear it, she become a real mermaid.Your little girl will love this dress so much.
- 【PARTY DRESS UP】Mermaid dress up costume is very suitable for daily wear, birthday parties, mermaid theme party, princess pageant, Christmas gifts, Halloween, dress up and other occasions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0BHR315JM |
| Best Sellers Rank | #95,301 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #263 in Girls' Costumes |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,894) |
| Date First Available  | October 9, 2022 |
| Department  | Girls |

## Images

![Girls Mermaid Costume Mermaid Tutu Dress Color Led Light Up for Halloween Birthday Party 3-8Years - Image 1](https://m.media-amazon.com/images/I/81L3jvS06mL.jpg)

## Questions & Answers

**Q: My daughter is 3.5 and 33 ilbs mainly wears 4t to 5t what size should i get**
A: 5T, due that the dress come 2 sizes smaller

**Q: My daughter is 5 , she usually were from 4-5 (110), which sizes shill I choose?**
A: Size up at least 1 ir 2 sizes.

**Q: I just received the dress and my daughter and I love it but i cant figure out how to attach the straps in the back. Can you please help?**
A: it ties like a halter not a tank top ❤️ you just tie it behind the head

**Q: My daughter wears 6t what size should I buy 5-6 or 7-8**
A: my daughter wore it for her 7th birthday and at the time she was between sizes 6-7 in regular clothes. I got het size 7-8 and it fit perfectly , I’m pretty sure size 6-7 would’ve been small because the 7-8 fit snug around her chest. She is an average size . I suggest you go with a larger size .

## Customer Reviews

### ⭐⭐⭐⭐⭐ Twinkling tails and birthday smiles
*by D***D on July 27, 2025*

This dress is pure enchantment. The purple bodice with starfish and flower details, combined with the light-up multicolor tutu skirt, makes it an instant favorite for birthday parties, Halloween, or just backyard mermaid missions. I love the bonus LED feature, which adds sparkle without being too bright—just enough to wow without overwhelm. The matching seashell headband completes the look and fits snugly (yes, it’s adjustable!), making the whole set feel like an undersea celebration in motion. At 4.6 stars across 481 reviews and 300+ purchases this month, it’s clearly delighting lots of little sea explorers. Ours was first scooped up in February and it still makes waves in the dress-up bin. If you’re looking for a costume that blends princess charm with magical flair, this one floats to the top—and it’s earned every shimmer.

### ⭐⭐⭐⭐⭐ Special!
*by T***S on December 15, 2025*

This made a 5 year old little girl over the moon happy. Absolutely adorable, marveled by all who saw her wear it constantly! She did not want to take it off. For the price, absolute find!

### ⭐⭐⭐⭐⭐ It’s perfect for your mermaid loving baby!
*by M***L on August 29, 2025*

It’s the cutest thing I’ve ever seen! My daughter is going to go crazy for this birthday dress. We’re having her birthday party in Costa Rica where her TT is going to be a mermaid! So this is perfect to make her feel beautiful in the cutest light purple! Material is double lined which I love, inside has a silky texture. Batteries are easy to put in comes with a pocket to put the pack I. And the crown is just the cherry on top! Highly recommend! 🥰

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**Shop now:** [https://www.desertcart.pt/products/435221610-girls-mermaid-costume-mermaid-tutu-dress-color-led-light-up](https://www.desertcart.pt/products/435221610-girls-mermaid-costume-mermaid-tutu-dress-color-led-light-up)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-03*