LEGO Reviews Creator31122

Fish Tank

Name: LEGO Fish Tank 31122
Brand: LEGO
SKU: 31122
Rating: 4.75 (2635 reviews)

78 · RECOMMENDEDINVESTMENT GRADE: A2021352 pcsHigh agreement · 94%

Expert reviews

3analyzed

Owner ratings

2.6K+

Consensus

BUY

BrickScore

Recommended

Owners

Synthesized Verdict

"The Fish Tank is a small set that punches well above its weight, earning a BrickScore of 78.3 and a remarkable 4.75-star owner average across more than 2,600 ratings. It is an easy recommendation for anyone who wants a vibrant, charming aquarium display without a major time or budget commitment."

The Creator 3-in-1 Fish Tank is a crowd-pleasing display build that earns near-universal praise from its large owner base. Buyers consistently highlight the vibrant colors, charming aquarium aesthetic, and strong value at the original $29.99 price point. With 2,635 owner ratings averaging 4.75 out of 5 and a 92% would-recommend rate, real-world satisfaction is exceptionally high, reinforcing the BrickScore of 78.3.

Where to Buy

Affiliate links. We may earn a commission at no cost to you.

Max Profit Opinion PREMIUM

Is this a smart buy? BrickPicker's data-grounded investment verdict.

Unlock the Max Profit Opinion: our stance (buy / accumulate / hold / pass), the reasoning, the exact data behind it (eBay + BrickLink comps, CAGR vs MSRP, our retirement model), and whether the reviewer community agrees.

Unlock with Collector or Reseller

LOVED (6)

01Vibrant, eye-catching colors that pop on display
02Charming aquarium aesthetic evoking Finding Nemo comparisons
03Strong value for the piece count and box size
04Enjoyable, non-repetitive build experience
05Broad age appeal for families and adult builders alike
063-in-1 versatility with multiple marine creature builds

CRITICIZED (2)

01Relatively compact finished size for some buyers
02No included stand or lighting, prompting owners to add their own

What reviewers are saying

"The majority of my building in the last 10 years has been limited the larger UCS Star Wars sets, and whilst they do have the occasional splash of colour, they tend to be primarily grey, black, white, or occasionally brow…"

Brickset Reviews

"LEGO's Creator 3-in-1 continues to surprise in the best of ways"

Jay's Brick Blog

"Two out of three models were excellent. In fact, the easel with the 'painting' is one of the best executions of a 3-in-1 model of all time."

The Brothers Brick

Ecosystem

31021 Furry Creatures — 31122 Fish Tank is a significant improvement in color variety and appeal; while 31021 was cute, the cat and mouse lacked color, whereas 31122 is 'positively overflowing' with it.

6175 Crystal Explorer Sub (Aquazone) — The tiny submarine ornament in the set is an homage to the legendary Aquazone theme, sharing similar design elements and ruby clutching mechanics.

31121 Crocodile — Both suffer from the lack of brick separator in 3-in-1 Creator sets, which is problematic because these kits encourage frequent disassembly and rebuilding.

Aquazone submarines — The submarine in the fish tank 'seems to pay a bit of homage to the Aquazone submarines of LEGO's past.'

CreatorTier 2Investment Grade

By Reviewer · 3

Avg score

Consensus

BUY

Brickset Reviews

Editorial Source

BUY

Key Pros

✓Very well-designed with high-quality fish and creature designs
✓Impressive color variety and palette
✓Sturdy construction for the tank main build

Key Cons

✕Translucent round bricks used for coral supports are delicate and may require occasional re-attaching
✕The treasure chest is the least impressive of the three builds

READ FULL REVIEW

Jay's Brick Blog

Editorial Source

BUY

"LEGO's Creator 3-in-1 continues to surprise in the best of ways"

Key Pros

✓Great value for three great builds
✓Alternate models are a fun way to squeeze more playability out
✓Aquarium looks great as a display piece

Key Cons

✕No minifigures included – a diver would be fun
✕Fish are not that stable and can be knocked over easily

READ FULL REVIEW

The Brothers Brick

Expert Video Source

BUY

"Two out of three models were excellent. In fact, the easel with the 'painting' is one of the best executions of a 3-in-1 model of all time."

Key Pros

✓Abundant useful structural pieces (brackets, tiles, large plates)
✓Excellent color variety and visual appeal in fish tank and easel
✓Good parts-per-dollar value at under $0.09 per piece

Key Cons

✕Set lacks brick separator, which is problematic for a 3-in-1 kit designed for frequent disassembly
✕Treasure chest build is poorly executed, ugly, and clashes colorfully

JUMP TO REVIEW

Dimensional Analysis

Investment Layer

Buy now (2)Wait for sale (0)

Exclusivity

Jay's Brick Blog: Wide retail; not exclusive to LEGO.com or a specific retailer

The Brothers Brick: Wide retail; available August 1st worldwide at US $29.99

Minifigures & Standout Parts

Standout parts (per reviewers)

3x3 magenta dome top
Currently appears to be unique to this set
30 blue inverted brackets
Extensive use, barely visible in box images
18 black brackets
Provides structural support throughout the build
translucent round bricks
Used for coral supports; delicate and may require re-attaching
Brick-built tropical fish (clownfish, blue tang, yellow tang, Anthias, Cardinal fish)
Custom LEGO-designed fish in bright tropical colours; some use exposed studs for organic appearance
Tiny submarine ornament
Homage to the 6175 Crystal Explorer Sub from the Aquazone theme; clutches rubies with posable arms

What Owners Say · summarized from 60 written reviews (LEGO, Amazon, Walmart)

Owners overwhelmingly love this vibrant, colorful set for its charm, creative play value, and excellent price, though a small minority finds the build fragile and the tank unfinished-looking.

COMMON PRAISE