What age is the Fish Tank recommended for?

This set is recommended for ages 8+.

When was the Fish Tank released?

Fish Tank was released in 2021.

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🏛 Creator 3-in-1

Set #31122

Fish Tank

The Fish Tank is a delightful and colorful Creator 3-in-1 set.

Before you buy

Who it's for: Ages 8+ · Beginner build Perfect for families and LEGO fans looking for a relaxing and visually appealing build
Build: 352 pieces · about 4.5 hours Build time is an estimate.
Price: $29.99 list price · 8.5¢ per piece
Availability: Retired at LEGO

★★★☆☆ 3.9 community rating from 109 ratings

The Fish Tank is well-received for its vibrant colors, clever design, and relaxing building experience. Some find the alternative builds less appealing than the main model, but overall it's considered a delightful and visually pleasing set.

$29.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Fish Tank is a delightful and colorful Creator 3-in-1 set. It perfectly captures the serene beauty of an underwater world with cleverly designed fish and plant life. The set offers a relaxing building experience and a charming display piece.

This set is perfect for LEGO enthusiasts of all ages, especially those who appreciate aquatic themes. The build is engaging but not overly complex, making it suitable for both beginners and experienced builders. The vibrant colors and detailed fish make it a visually appealing display piece.

Skip this if you are looking for a challenging, complex build or a large-scale LEGO model. If you prefer more intricate builds, consider the LEGO Botanical Collection or a larger Creator Expert set instead.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Fish Tank - building tips, investment potential, comparisons, or anything else!

Try asking:

How does the Fish Tank compare to other LEGO aquarium or aquatic-themed sets? What are some creative ways to display the Fish Tank in a home or office setting? Is the Fish Tank a good set for beginner LEGO builders? How does the 3-in-1 feature enhance the value and playability of the set?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

352

Pieces

⏱

4.5h

Estimated Build Time

📊

Beginner

Difficulty

📏

13cm × 22cm × 11cm

Dimensions

Build Highlights:

Creative use of LEGO elements to represent various fish species
Engaging techniques for building underwater plants and coral
Bright and vibrant color palette creates a visually stunning display
Offers three different build options for extended play and display possibilities

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

B+

Investment Grade

⏳ Retired

The Fish Tank set is retired, increasing its potential as an investment. Its moderate piece count and appealing subject matter make it attractive to collectors and casual LEGO buyers. The Creator 3-in-1 theme generally holds value well, and this set's charming design may lead to increased demand over time. However, its relatively low piece count might limit significant appreciation compared to larger, more exclusive sets. Consider that the broader LEGO market can influence returns.

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

⚖ Compare Similar Sets

Compared to other Creator 3-in-1 sets, the Fish Tank offers a unique and visually appealing building experience centered around an aquatic theme. While some larger Creator sets may offer more complex builds, the Fish Tank stands out for its charming design and display potential. It's a great alternative to larger, more expensive aquarium-themed sets.

📦 Parts Inventory

Official piece count: 352
Parts cataloged in this inventory: 85 unique parts, 352 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Brick Curved 2 x ...

Part #: 11477 1× Dark Pink

Brick Curved 2 x ...

Part #: 11477 1× White

Brick Curved 2 x ...

Part #: 11477 3× Yellow

Brick Curved Inve...

Part #: 13547 1× Yellow

Plate Special 1 x...

Part #: 14418 1× Light Bluish Gray

Tile Round 2 x 2 ...

Part #: 14769 1× Bright Pink

Plate Special 1 x...

Part #: 15573 2× Orange

Brick Round 2 x 2...

Part #: 17485 2× Yellow

Plate Special Rou...

Part #: 18674 2× Dark Blue

Plate Special Rou...

Part #: 18674 1× Dark Tan

Plant, Flower Ste...

Part #: 19119 5× Green

Tile Special Roun...

Part #: 20482 7× Black

Plate Special 1 x...

Part #: 22890 1× Dark Bluish Gray

Plant, Leaves 6 x 5

Part #: 2417 1× Lavender

Brick Curved Inve...

Part #: 24201 1× Bright Pink

Plant, Leaves 4 x 3

Part #: 2423 2× Bright Pink

Wedge Plate 2 x 2...

Part #: 24299 1× Black

Wedge Plate 2 x 2...

Part #: 24307 1× Black

Plate 2 x 12

Part #: 2445 1× Tan

Brick Round 1 x 1...

Part #: 25214 1× Yellow

Bracket 1 x 2 - 1...

Part #: 28802 2× Light Bluish Gray

Brick 1 x 1

Part #: 3005 2× Yellow

Plant, Sea Grass

Part #: 30093 2× Bright Green

Brick Special 1 x...

Part #: 30136 1× Light Bluish Gray

Rock 1 x 1 Jewel ...

Part #: 30153 1× Trans-Red

Plate 1 x 2

Part #: 3023 1× Yellow

Plate 1 x 2

Part #: 3023 10× Medium Azure

Plate 1 x 2

Part #: 3023 1× Orange

Plate 1 x 2

Part #: 3023 1× Magenta

Plate 1 x 2

Part #: 3023 10× Blue

Plate 1 x 2

Part #: 3023 2× Black

Plate 1 x 1

Part #: 3024 4× Yellow

Plate 1 x 1

Part #: 3024 1× Coral

Plate 1 x 1

Part #: 3024 2× Black

Plate 1 x 1

Part #: 3024 4× Blue

Plate 1 x 1

Part #: 3024 2× White

Plate 6 x 12

Part #: 3028 4× Tan

Brick Round 2 x 2...

Part #: 30367c 1× Tan

Brick Round 2 x 2...

Part #: 30367c 1× Trans-Clear

Brick Sloped 45° ...

Part #: 3039 3× Dark Bluish Gray

Brick Sloped 45° ...

Part #: 3040b 1× Yellow

Brick Round 1 x 1...

Part #: 3062b 5× Tan

Brick Round 1 x 1...

Part #: 3062b 5× Trans-Clear

Tile 2 x 2 with G...

Part #: 3068b 6× Black

Tile 1 x 2 with G...

Part #: 3069b 1× Yellow

Tile 1 x 2 with G...

Part #: 3069b 4× Black

Tile 1 x 1 with G...

Part #: 3070b 4× Black

Brick Sloped Inve...

Part #: 32802 2× Black

Plate Special Rou...

Part #: 32828 1× Bright Light Yellow

Brick Special 1 x...

Part #: 32952 1× Tan

Plant, Carrot Top

Part #: 33183 3× Bright Light Orange

Plate 1 x 3

Part #: 3623 3× Yellow

Brick Sloped Inve...

Part #: 3660 1× Black

Brick Sloped Inve...

Part #: 3665 1× Yellow

Bracket 1 x 1 - 1...

Part #: 36840 5× Black

Bracket 1 x 1 - 1...

Part #: 36841 3× White

Plate 2 x 10

Part #: 3832 4× White

Cone 4 x 4 x 2, A...

Part #: 3943b 1× Dark Turquoise

Antenna 1 x 4 wit...

Part #: 3957b 3× Trans-Clear

Plate Round 2 x 2...

Part #: 4032a 2× Black

Brick Special 1 x...

Part #: 4070 1× Orange

Tile 1 x 8 with G...

Part #: 4162 8× Black

Technic Pin 1/2 w...

Part #: 4274 1× Light Bluish Gray

Technic Axle Pin ...

Part #: 43093 1× Blue

Dish 3 x 3 Invert...

Part #: 43898 1× Magenta

Dish 3 x 3 Invert...

Part #: 43898 1× Yellow

Bracket 1 x 2 - 2...

Part #: 44728 18× Black

Brick Special 1 x...

Part #: 4733 1× Dark Bluish Gray

Part #: 4740 1× Yellow

Brick Special 1 x...

Part #: 47905 1× White

Brick Special 1 x...

Part #: 47905 2× Black

Brick Special 1 x...

Part #: 47905 2× Dark Pink

Brick Special 1 x...

Part #: 47905 2× Tan

Bar 1L with Clip ...

Part #: 48729b 2× Dark Bluish Gray

Brick Round 3 x 3...

Part #: 49308 1× Magenta

Brick Curved 3 x ...

Part #: 50950 1× Black

Brick Special 1 x...

Part #: 52107 1× Black

Brick Special 1 x...

Part #: 52107 2× Orange

Brick Sloped 30° ...

Part #: 54200 2× Trans-Dark Pink

Brick Sloped 30° ...

Part #: 54200 5× Orange

Brick Sloped 30° ...

Part #: 54200 2× Black

Brick Sloped 30° ...

Part #: 54200 2× Blue

Brick Sloped 30° ...

Part #: 54200 3× Yellow

Brick Sloped 30° ...

Part #: 54200 1× White

Cone 1 x 1 [Top G...

Part #: 59900 2× Yellow

Brick Arch 1 x 3 ...

Part #: 6005 1× Black

Plate Round 4 x 4...

Part #: 60474 1× Red

Plate Round 4 x 4...

Part #: 60474 1× Orange

Plate Special 1 x...

Part #: 60478 4× Black

Plate 1 x 12

Part #: 60479 4× Dark Azure

Brick Sloped 65° ...

Part #: 60481 5× Light Aqua

Brick Curved 1 x ...

Part #: 6091 2× Blue

Brick Curved 1 x ...

Part #: 6091 2× Yellow

Brick 1 x 12

Part #: 6112 6× Black

Plate Special 1 x...

Part #: 61252 4× Dark Bluish Gray

Technic Pin with ...

Part #: 61332 2× Black

Plate Round 1 x 1...

Part #: 6141 1× Trans-Clear

Cone 3 x 3 x 2

Part #: 6233 1× Dark Pink

Technic Pin Conne...

Part #: 65487 2× Black

Plate Round 1 x 1...

Part #: 85861 1× Yellow

Plate Round 1 x 1...

Part #: 85861 3× Trans-Light Blue

Brick Sloped 30° ...

Part #: 85984 4× Black

Tile 2 x 4 with G...

Part #: 87079 14× Black

Plate Special 1 x...

Part #: 88072 1× Light Bluish Gray

Brick Arch 1 x 3 x 2

Part #: 88292 1× Black

Plate 2 x 14

Part #: 91988 4× Black

Brick Round 2 x 2...

Part #: 98100 1× Dark Turquoise

Brick Round 2 x 2...

Part #: 98100 1× Dark Pink

Tile Round 1 x 1

Part #: 98138 2× Blue

Tile Round 1 x 1 ...

Part #: 98138pr0008 10× White

Plant, Flower 2 x...

Part #: 98262 1× Yellow

Bracket 1 x 2 - 2...

Part #: 99207 30× Blue

Bracket 1 x 2 - 1...

Part #: 99780 10× Dark Azure

Bracket 1 x 2 - 1...

Part #: 99780 6× Red

Bracket 1 x 2 - 1...

Part #: 99781 8× Dark Bluish Gray

Bracket 1 x 2 - 1...

Part #: 99781 6× Blue

The set features a good selection of blue and black brackets, useful for various building techniques. The printed round tiles add unique detail to the fish designs.

🛒 Where to Buy

eBay

Search listings

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💎 Notable Parts

Blue Bracket 1 x 2 - 2 x 2 Inverted (30x) $4.50

Black Bracket 1 x 2 - 2 x 2 (18x) $2.70

Black Tile 2 x 4 with Groove (14x) $2.80

White Tile Round 1 x 1 with Offset Black Eye Print (10x) $5.00

Dark Azure Bracket 1 x 2 - 1 x 2 Inverted (10x) $3.00

Est. BrickLink Part Value

$18.00

💡 MOC Potential

🌳 Tropical reef scene with more diverse coral and fish

🏙 Aquarium exhibit for a modular city layout

🚢 Submarine or underwater exploration vehicle

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 3 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

The LEGO Creator 3in1 Fish Tank (31122) elicits mixed reactions, with many reviewers initially questioning its target audience. While generally viewed as a fun build, the set's value is debated, especially concerning the rumored 2025 version (10366) and its potential price point.

I Built a Fish Tank Using 10,000 LEGO

Aquarium Info • 15.8M views Review

LEGO Creator 3 in 1 Fish Tank ALL THREE BUILDS (31122) - 2021 Set Review

Ashnflash • 35.3K views Review

LEGO Creator 3in1 Fish Tank Review 🐠- Set #31122

BRICKLOVER BRAD • 1.5K views Review

Community Sentiment

Based on 3 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

3 YouTube reviews

BlockTalk AI Summary

Tiago Catarino questions who the LEGO Tropical Aquarium set is for, while just2good considers the new 2025 version to be overpriced. Ashnflash showcases all three builds of the Creator 3in1 Fish Tank, providing a comprehensive look at the set's alternate models.