Dive into Fun!
With Mermaid Gabby

Explore a colorful underwater world with Gabby, MerCat, and Jellyfish. Perfect for fans of Gabby's Dollhouse!

🏛 Gabby's Dollhouse
Set #11204

Mermaid Gabby's Aquarium Adventure

Mermaid Gabby's Aquarium Adventure is an enchanting underwater playset.

🏆 Best For: Young children and Gabby's Dollhouse fans ⏱ 1.0 hr build 🧩 114 pcs 🎂 Ages 4+
★★★★☆ 4.2

Fans appreciate the set's vibrant colors, cute minifigures, and playability. Some find the build too simple and wish for more unique elements, but overall it's considered a fun and engaging set for younger builders.

📝 Our Take

Mermaid Gabby's Aquarium Adventure is an enchanting underwater playset. This set perfectly captures the whimsical charm of Gabby's Dollhouse, bringing the magic of the show to life with vibrant colors and adorable characters.

This set is perfect for young children and fans of Gabby's Dollhouse. With easy-to-follow instructions and a manageable piece count, it offers a delightful building experience and endless imaginative play opportunities.

Skip this if you're looking for a challenging build or intricate details. Consider the larger Gabby's Dollhouse sets for a more complex building experience and expanded play features.

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🧱 Building Experience

🧩
114
Pieces
1.0h
Build Time
📊
Beginner
Difficulty
📏
15cm × 23cm × 7cm
Dimensions
Build Highlights:
  • Simple and easy-to-follow instructions
  • Colorful and engaging design
  • Features interactive elements for imaginative play
  • Includes adorable characters from the show

📈 Investment Analysis

→ Price stable
C+
Investment Grade
⏳ Active
Mermaid Gabby's Aquarium Adventure presents a moderate investment opportunity. As a licensed set from a popular children's show, it benefits from built-in demand and brand recognition. The relatively low piece count and price point make it accessible to a wide audience. However, its mass-market appeal may limit significant appreciation. While it's unlikely to become a highly sought-after collector's item, it should hold its value reasonably well, especially if kept in pristine condition. The inclusion of unique minifigures could also contribute to its long-term value.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Mermaid Gabby’s Aquarium Adventure (11204) is a make-believe toy for kids aged 4 and over 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 colourful 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 colourful 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 over 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 over – Girls and boys who enjoy DreamWorks Animation’s Gabby’s Dollhouse can join their favourite 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 over introduces a universe of movie favourites, TV characters and everyday heroes
  • Set contains 103 pieces – This versatile LEGO® playset measures over 15 cm (5.5 in.) high, 23 cm (9 in.) wide and 7 cm (2.5 in.) deep

Compare Similar Sets

Mermaid Gabby's Aquarium Adventure is a great entry point into the Gabby's Dollhouse LEGO theme. Compared to larger sets like Gabby's Dollhouse (10788-1), this set is more affordable and easier to build. If you're looking for a more complex and detailed build, Gabby's Dollhouse might be a better choice, but for younger builders or those new to LEGO, Mermaid Gabby's Aquarium Adventure is an excellent option.

3 Minifigures Included

Features three adorable characters: MerCat, Gabby with a mermaid tail, and Kitty Jellyfish. Gabby's mermaid tail is a unique element, potentially increasing the figure's collectibility.

📦 Full Parts Inventory - 55 unique parts • 105 total pieces

Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Tan
Brick Arch 1 x 3 x 3 [Gothic] Brick Arch 1 x 3 ...
Part #: 13965 Medium Azure
Brick Arch 1 x 3 x 3 [Gothic] Brick Arch 1 x 3 ...
Part #: 13965 Tan
Slope 45° 2 x 1 Triple with Inside Stud Holder Slope 45° 2 x 1 T...
Part #: 15571 Blue
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Dark Pink
Rock - Heart Jewel with Shaft Rock - Heart Jewe...
Part #: 15745 Trans-Dark Pink
Brick Arch 1 x 8 x 2 Raised Brick Arch 1 x 8 ...
Part #: 16577 Tan
Brick Arch 1 x 3 x 2 Inverted [Inside Bow] Brick Arch 1 x 3 ...
Part #: 18653 Medium Azure
Plate Special Round 2 x 2 with Center Stud (Jumper Plate) Plate Special Rou...
Part #: 18674 Dark Pink
Windscreen 4 x 4 x 1 2/3 Canopy Half Sphere with Handle Windscreen 4 x 4 ...
Part #: 18990 Trans-Light Blue
Bar Holder with Hole and Bar Handle Bar Holder with H...
Part #: 23443 Blue
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Dark Azure
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Medium Azure
Plate Special 8 x 8 x 2/3 with Four 1 x 4 Recessed Edges Plate Special 8 x...
Part #: 2628 Blue
Slide Curved Left 90° Slide Curved Left...
Part #: 28387 Medium Azure
Brick 2 x 3 Brick 2 x 3
Part #: 3002 Tan
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Medium Azure
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Tan
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Light Aqua
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Medium Azure
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Light Aqua
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Tan
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Tan
Brick Round 2 x 2 Dome Top, Hollow Stud Brick Round 2 x 2...
Part #: 30367c Opal Trans-Dark Pink
Brick Round 2 x 2 Dome Top, Hollow Stud Brick Round 2 x 2...
Part #: 30367c Trans-Light Blue
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Blue
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Dark Azure
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c Tan
Plant, Plate 1 x 1 Round with 3 Leaves Plant, Plate 1 x ...
Part #: 32607 Lime
Slope 65° 2 x 2 x 2 with Bottom Tube Slope 65° 2 x 2 x...
Part #: 3678b Tan
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Aqua
Brick Curved 1 x 2 x 1 No Studs Brick Curved 1 x ...
Part #: 37352 Light Aqua
Brick Curved 1 x 2 x 1 No Studs Brick Curved 1 x ...
Part #: 37352 Medium Azure
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Medium Azure
Crown / Flower / Egg Shell Half Crown / Flower / ...
Part #: 39262 Medium Lavender
Plate 8 x 8 with Rounded End Plate 8 x 8 with ...
Part #: 41948 Blue
Plate Special 1 x 2 [Open O Top Clip] Plate Special 1 x...
Part #: 44861 Blue
Plant, Flower 2 x 2 Leaves - Angular Plant, Flower 2 x...
Part #: 4727 Bright Green
Treasure Chest Bottom with Rear Slots, No Groove Treasure Chest Bo...
Part #: 4738c Medium Lavender
Tile Special 2 x 2 with Top Pin [Squared Holes] Tile Special 2 x ...
Part #: 49153 Black
Animal / Plant, Coral / Sea Weed Animal / Plant, C...
Part #: 49577 Coral
Animal, Sea Life Set, Octopus Animal, Sea Life ...
Part #: 49595a Vibrant Yellow
Animal, Sea Life Set, Clam Shell Large Animal, Sea Life ...
Part #: 49595b Vibrant Yellow
Animal, Sea Life Set, Star Fish Animal, Sea Life ...
Part #: 49595c Vibrant Yellow
Animal, Sea Life Set, Clam Shell Small Animal, Sea Life ...
Part #: 49595d Vibrant Yellow
Animal, Sea Life Set, Fish with Bar Animal, Sea Life ...
Part #: 49595e Vibrant Yellow
Animal, Sea Life Set, Snail with Bar Animal, Sea Life ...
Part #: 49595f Vibrant Yellow
Animal, Sea Life Set, Seahorse with Bar Animal, Sea Life ...
Part #: 49595g Vibrant Yellow
Tube, Slide Straight Tube, Slide Straight
Part #: 49736 Trans-Bright Green
Plant, Flower, Peony Rose with 2 Layers Plant, Flower, Pe...
Part #: 5904 Trans-Yellow
Panel 1 x 6 x 5 with Under Sea, Coral Coral, Seahorse, Lime Squid, Rocks, Bubbles print Panel 1 x 6 x 5 w...
Part #: 59349pr0034 Trans-Light Blue
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Light Blue
Brick Arch 1 x 4 x 2 Brick Arch 1 x 4 x 2
Part #: 6182 Tan
Brick Curved 2 x 1 with Inverted Cutout Brick Curved 2 x ...
Part #: 78666 Tan
Plate Round Corner 2 x 2 with 1 x 1 Cutout Plate Round Corne...
Part #: 79491 White
Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip) Animal Body Part ...
Part #: 80497 Dark Pink
Treasure Chest Lid, Flat with 2 Studs Treasure Chest Li...
Part #: 80835 White
Brick Round 4 x 4 Centre Hole Brick Round 4 x 4...
Part #: 87081 Tan
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Medium Azure
The set offers a nice selection of Medium Azure and Tan elements, useful for builders creating ocean-themed MOCs. The inclusion of Trans-Light Blue dome pieces adds visual interest.

💎 Notable Parts

Dark Azure Tile 1 x 2 with Groove (4x) $0.40
Medium Azure Brick Arch 1 x 3 x 3 [Gothic] (4x) $0.60
Trans-Light Blue Brick Round 2 x 2 Dome Top, Hollow Stud (3x) $0.75
Tan Brick Arch 1 x 8 x 2 Raised (2x) $0.50
Lime Plant, Plate 1 x 1 Round with 3 Leaves (3x) $0.45
Est. BrickLink Part Value
$2.70

💡 MOC Potential

🌳 Coral reef expansion with more sea creatures
🏙 Underwater city section for LEGO City layouts
🚢 Miniature submarine or research vessel

📰 Gabby's Dollhouse News

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 8 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

YouTube reviewers express initial excitement for LEGO Mermaid Gabby's Aquarium Adventure (11204), particularly its potential as a buildable and customizable dollhouse. Reviewers are intrigued by the unique design elements, like the cat-ear-shaped room and the mermaid minidoll with kitty ears, but overall sentiment is neutral.

Community Sentiment

Based on 8 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
8
Mixed
0
Critical
BlockTalk AI Analysis

YouTube reviewers express initial excitement for LEGO Mermaid Gabby's Aquarium Adventure (11204), particularly its potential as a buildable and customizable dollhouse. Reviewers are intrigued by the unique design elements, like the cat-ear-shaped room and the mermaid minidoll with kitty ears, but overall sentiment is neutral.

What the Community Says

4 YouTube reviews
BlockTalk AI Summary

ellieV highlights the set's innovative approach to a buildable dollhouse, emphasizing the customizability of the rooms. Gabby's Dollhouse channel showcases an unboxing and build of the LEGO set, inviting viewers to explore the features and design of the product.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

📖 Building Instructions 4

Mermaid Gabby's Aquarium Adventure Instructions
BI 3101, 80+4, 11204 1/2 V29
Download PDF
Mermaid Gabby's Aquarium Adventure Instructions
BI 3102, 80+4, 11204 2/2 V29
Download PDF
Mermaid Gabby's Aquarium Adventure Instructions
BI 3101, 80+4, 11204 1/2 V39
Download PDF
Mermaid Gabby's Aquarium Adventure Instructions
BI 3102, 80+4, 11204 2/2 V39
Download PDF

Charts Inventory Statistics

55
Unique Parts
105
Total Pieces
3
Minifigures
Inventory Version: 1