Mermaid Gabby's Aquarium Adventure 11204
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LEGO® Gabby's Dollhouse 11204 Mermaid Gabby's Aquarium Adventure

Gabby's Dollhouse
The Lego set Mermaid Gabby's Aquarium Adventure with the Lego number 11204 is part of the LEGO Gabby's Dollhouse theme. The set was released in July of 2025. It contains 3 minifigures. The model consists of a total of 103 parts and we estimate it takes you around < 1 hour to build it.
The set weighs around 0.314 kg in total. The recommended retail price is 22.99$.
Our Brickfact Lego price comparison compares prices from 1 shop for this set. Currently Lego.com has the lowest price at 27.94$. This corresponds to a per piece price of 0.27$. Unfortunately the set is not available with a discount anymore.
You will also receive 150 Insiders points if you decide to buy the set from the official Lego store. You can exchange them for discount coupons for future purchases.
The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about 35.77$. You save around 7.83$ if you buy this set directly at Lego.com instead of purchasing the bricks on bricklink.com. Therefore, the current best offer has a POV rate of 1.28. The POV Rate is the ratio of Part-Out-Value to the current best price on Brickfact.com.
Disclosure: As members of the Amazon Partner Program, eBay Partner Network and other affiliate programs of retailers such as LEGO, we earn from qualified sales that you make via links to the respective platforms and stores on our website.

LEGO 11204 price comparison

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Lego 11204 product data

Set Information

Set ID
11204
Pieces
103
Building Time
< 1 hour
Minifigures
3

Availability

Release
07/2025
Retiring Status
Begin of Life

Price Information

RRP
22.99$
Insiders Points (for purchase at Lego)
150
Part Out Value
35.77$

Packaging

Weight
0.314 kg
EAN (GTIN13)
5702017813455

LEGO 11204 price trend

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Minifigures from 11204 Mermaid Gabby's Aquarium Adventure

The Mermaid Gabby's Aquarium Adventure set includes 3 different minifigures, 2 of which are unique to this set. The combined value of the minifigures is 13.35$, which is ~58% of the RRP of this set.
x1
Thumbnail of minifigure gdh004
MerCat
Gabby's Dollhouse
time-logo
2023
# gdh004
1.20$
i
4 sets
x1
Thumbnail of minifigure gdh016
Gabby - Mermaid
Gabby's Dollhouse
time-logo
2025
# gdh016
8.04$
Unique
x1
Thumbnail of minifigure gdh017
Kitty Jellyfish
Gabby's Dollhouse
time-logo
2025
# gdh017
4.11$
Unique

Official Set Description for LEGO 11204 Mermaid Gabby's Aquarium Adventure

Mermaid Gabby’s Aquarium Adventure (11204) is a make-believe toy for kids aged 4 and up who are fans of sea creatures, aquarium animals and DreamWorks Animation’s Gabby’s Dollhouse: The Movie.

This LEGO® Gabby’s Dollhouse playset is packed with vibrant features and familiar characters, including a Gabby minidoll in her mermaid outfit, and MerCat and Jellyfish figures. Kids can join Gabby and her pals to explore a colorful underwater environment filled with shells, plants and sea life. There’s lots to discover, including a slide, a giant bubble that MerCat can “float” in, and coral that moves to reveal a hidden treasure chest. The set comes with colorful pictorial instructions, a large Starter Brick and separate bags containing 1 buildable model per bag to make creative construction fast and fun for little builders.

LEGO sets for ages 4 and up are the perfect way for adults to share in the building fun with kids. Set contains 103 pieces.

  • Sea creature toy for kids aged 4 and up – Girls and boys who enjoy DreamWorks Animation’s Gabby’s Dollhouse can join their favorite kitty pals for undersea fun with Mermaid Gabby’s Aquarium Adventure
  • Gabby’s Dollhouse: The Movie imaginative play toy – This underwater, make-believe toy has a Gabby minidoll in a mermaid outfit, MerCat and Jellyfish figures plus a Starter Brick for speedy assembly
  • Kids’ build-and-play toy – There’s lots to discover, including shells, plants, sea life, a slide, a giant bubble that the characters can ‘float’ in, and coral that moves to reveal a treasure chest
  • LEGO® Gabby’s Dollhouse playset – Kids can recreate stories with Gabby and role-play aquarium adventures of their own
  • Expand the fun – Kids can supplement this toy with set 11205 (sold separately) to create the three expansive worlds depicted in the movie
  • Preschool building toy – A wide range of engaging developmental LEGO® sets for kids aged 4 and up introduces a universe of movie favorites, TV characters and everyday heroes
  • Set contains 103 pieces – This versatile LEGO® playset measures over 5.5 in. (15 cm) high, 9 in. (23 cm) wide and 2.5 in. (7 cm) deep

Building Instruction for LEGO 11204 Mermaid Gabby's Aquarium Adventure

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