How many pieces does set 11204 have?

The set has 114 pieces made up of 59 unique parts.

How many figures are included?

Three figures are included, enough to act out scenes together inside the aquarium.

Does it work with other Gabby's Dollhouse sets?

Yes, the tan, medium azure, yellow and blue colour scheme pairs well with other rooms and figures from the range.

Set 11204 Mermaid Gabby's Aquarium Adventure

Gabby's Dollhouse

LEGO® Mermaid Gabby's Aquarium Adventure

Set 11204 dives into the underwater side of Gabby's Dollhouse with a mermaid-themed aquarium build and three character figures. At 114 pieces and 59 unique parts, it's a colourful playset built around water play and storytelling.

Set number: 11204
Year: 2025
Pieces: 114
Minifigures: 3
Theme: Gabby's Dollhouse
Different parts: 59

What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 59

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Minifigures 3

MerCat fig-0141712 pieces × 1
Gabby, Mermaid Tail fig-0166485 pieces × 1
Kitty Jellyfish fig-0166502 pieces × 1

Description

An underwater world to build

The aquarium is the central build of the set, using a colour palette of tan, medium azure and vibrant yellow to give it a friendly, underwater feel, with blue pieces reinforcing the water theme throughout. With 59 unique parts, the set is fairly rich in variety for its size, keeping the build interesting even though the total piece count of 114 stays approachable. Small details such as openings, shelves and moving elements invite kids to act out little scenes inside the aquarium itself, and the mix of smooth and textured surfaces keeps the model visually varied too. That variety also makes it a reasonable size for a first standalone Gabby's Dollhouse build.

Three figures for shared play

With three character figures included, the set has enough cast to tell small stories with more than one role at a time, rather than just moving a single figure around. That fits the source show well, where several cat characters share adventures inside the dollhouse together. Kids who already know the series can act out familiar scenes, while anyone new to it can still enjoy the set as a colourful, water-themed play world on its own, with no prior knowledge required. Sharing three figures between multiple children also means nobody has to wait for a turn.

Size, colours and collecting

At 114 pieces, 11204 builds up quickly, which keeps it accessible for younger builders working on their own. The tan, medium azure, yellow and blue colour scheme stands apart from more traditional building sets and pairs naturally with other Gabby's Dollhouse sets if more rooms or figures already sit on the shelf. The parts list on this page lists every element with its colour, which is useful both for replacing lost pieces and for planning your own additions to the aquarium. Because the set focuses on one room, it works well as a starting point before expanding into a bigger dollhouse collection.

FAQ

How many pieces does set 11204 have?: The set has 114 pieces made up of 59 unique parts.
How many figures are included?: Three figures are included, enough to act out scenes together inside the aquarium.
Does it work with other Gabby's Dollhouse sets?: Yes, the tan, medium azure, yellow and blue colour scheme pairs well with other rooms and figures from the range.

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