How many pieces does the LEGO Mermaid Gabby's Aquarium Adventure (11204-1) have?

The LEGO Mermaid Gabby's Aquarium Adventure set (11204-1) contains 114 pieces. It was released in 2025 as part of the LEGO Gabby's Dollhouse theme.

How can I find missing parts for LEGO set 11204-1?

On BrickMissing you can check which parts from the LEGO Mermaid Gabby's Aquarium Adventure (11204-1) you already own. Add your LEGO collection and we'll show exactly which of the 114 pieces you're missing and which you already have.

Can I build the LEGO Mermaid Gabby's Aquarium Adventure with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 114 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Mermaid Gabby's Aquarium Adventure from?

The LEGO Mermaid Gabby's Aquarium Adventure (11204-1) belongs to the LEGO Gabby's Dollhouse theme. You can browse all Gabby's Dollhouse sets on BrickMissing to find more sets from this theme.

Mermaid Gabby's Aquarium Adventure - View 9

Mermaid Gabby's Aquarium Adventure

11204-1 Gabby's Dollhouse 2025 114 parts 20.3% catalog rarity Easy

Explore an aquatic realm with LEGO Gabby's Dollhouse 11204-1 Mermaid Gabby's Aquarium Adventure, a 114-piece set from 2025. This scene presents the Gabby minidoll in her mermaid outfit, joined by MerCat and a Jellyfish figure. The set constructs a vibrant underwater environment, detailing it with shells, various plants, and sea life, ready for discovery. Characters can utilize a slide for descent or MerCat can occupy a bubble sphere designed for her to 'float'. An interactive coral element pivots, revealing a hidden treasure chest. The model’s assembly benefits from a large Starter Brick, simplifying the initial construction of its structures. This set accurately portrays an adventure from DreamWorks Animation’s Gabby’s Dollhouse: The Movie.

11204-1

3D build progress

Loading 3D model

Parts Inventory

🧱 114 parts

Showing the first 12 rows of the parts list (114 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Tan	1×	€0,06 View at LEGO → View
Medium Azure	4×	€0,21 View at LEGO → View
Tan	4×	€0,21 View at LEGO → View
Blue	2×	€0,10 View at LEGO → View
Dark Pink	1×	€0,06 View at LEGO → View
Trans-Dark Pink	1×	€0,21 View at LEGO → View
Tan	2×	€0,35 View at LEGO → View
Medium Azure	2×	€0,16 View at LEGO → View
Dark Pink	2×	€0,07 View at LEGO → View
Trans-Light Blue	1×	€0,64 View at LEGO → View
Blue	1×	€0,07 View at LEGO → View
Dark Azure	1×	€0,06 View at LEGO → View

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Catalog rarity

How common are the parts in Mermaid Gabby's Aquarium Adventure?

20.3%High rarity

more commonless common

12 of 59 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

17.8%

All sets

6.7%

Least common in our catalog

Plate Special 8 x 8 x 2/3 · Blue · only this set in our catalogAnimal, Sea Life Set, Octopus · Vibrant Yellow · only this set in our catalogAnimal, Sea Life Set, Clam Shell Large · Vibrant Yellow · only this set in our catalog

How we calculate this →

Build DNA

Parts inventory insights for Mermaid Gabby's Aquarium Adventure

114 pieces puts this build -40% against the average Gabby's Dollhouse set and -82% against the average 2025 release.

Vs average Gabby's Dollhouse set

-40%-76 parts

This set114

Average set190

Average Gabby's Dollhouse set: 190 pieces across 11 other sets.

Vs average 2025 set

-82%-523 parts

This set114

Average set637

Average 2025 set: 637 pieces across 562 other sets.

Color profile

18different colors

Dominant color

Tan

Tan21x

20%

Medium Azure19x

18%

Vibrant Yellow12x

11%

Blue10x

10%

Unique parts

1.9 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Brick Arch 1 x 3 x 3 [Gothic]

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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