Tropical Aquarium

Lego^® Icons 10366 Tropical Aquarium

Name: LEGO® Icons Tropical Aquarium 10366
Brand: LEGO
SKU: 10366
Availability: InStock

Current best price

LEGO 10366 is currently available from £399.99 incl. shipping at Lego.co.uk. Only one retailer in our comparison stocks it.

Updated 2 November 2026 at 02:00

LEGO® Icons Tropical Aquarium 10366 (1/18)

Animals

Underwater

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Lego 10366 price comparison: where is it cheapest?

Prices incl. shipping to the UK · Prices updated 2 November 2026 at 02:00

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Tropical Aquarium with the set number 10366 is part of the LEGO Icons theme and is recommended for ages 18+. That makes it a set mainly for adults. It was released in November 2025. The model has 4,154 pieces, and we estimate it takes around 9 - 12 hours to build. 23 Brickfact users have this set in their collection.

The set weighs about 6.740 kg. The box measures 52.3 x 48 x 21.8 cm. The recommended retail price is £399.99.

Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Lego.co.uk for £399.99 including shipping. That is £0.10 per piece. Unfortunately, the set is currently not available below its recommended retail price.

If you buy the set from the official Lego store, you also earn 3,200 Insiders points. You can exchange them for vouchers for future purchases.

The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about £766.84. You save around £366.85 if you buy the complete set at Lego.co.uk instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 1.92: the Part-Out-Value divided by the current best price on Brickfact.

Lego 10366 product data

Set Information

Set ID

10366

Theme

Icons

Pieces

4154

Building Time

9 - 12 hours

Age Range

18+

Availability

Release

11/2025

Retiring Status

Begin of Life (12/2028)

Price Information

RRP

£399.99

Insiders Points (for purchase at Lego)

3200

Part Out Value

£766.84

Packaging

Weight

6.740 kg

EAN (GTIN13)

5702017829210

Lego 10366 price history: how has the price changed?

Brickfact has been recording retailer prices since 12/10/2026. Best price so far: £399.99 (21 days ago).

Current best price: £399.99
Best price since 12/10/2026: £399.99 21 days ago

Lowest price per retailer (since 12/10/2026)

Retailer	Current	Lowest price	Date
Lego.co.uk		£399.99	02/11/26

As of: 02/11/2026, 01:00 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

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Popularity with Brickfact users

users have this set: 23
buyers in the last 12 months: 23

23 Brickfact users have Tropical Aquarium in their collection. 23 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 1 November 2026.

Lego 10366 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: £333.60
Market value vs. RRP: −16.6 % £399.99
Range: £290.50 – £429.32
Average: £327.66

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Official Set Description for LEGO 10366 Tropical Aquarium

Dive into an immersive project with the LEGO® Icons Tropical Aquarium (10366) fish tank decor building set for adults. Craft a detailed LEGO interpretation of a vibrant underwater world, teeming with life and striking colours. Arrange each feature for the perfect look and display your creation in the home or workplace for all to enjoy.

This home decor aquarium comes with fun functions. Rotate the dials and cranks to animate a swimming fish, swaying coral, a crab emerging from an underwater cave and an opening treasure chest. The aquarium includes 4 model fish and comes with a variety of plants and coral, seaworms and an oyster shell containing a pearl, plus LEGO sea snails and air bubbles.

Discover a space for relaxation with the inspiring range of LEGO creative building sets for adults. The LEGO Builder app features a digital version of the building instructions included with this DIY craft kit. Set includes 4,154 pieces.

Fish tank decor building kit – Take quality time out or treat a loved one with this LEGO® Icons Tropical Aquarium set for adults
What’s in the box – Includes everything you need to build a LEGO® fish tank with 4 fish and a variety of coral, water plants and creatures
Features and functions – Rotate the dials and cranks to animate a swimming fish, swaying coral, a crab emerging from an underwater cave and an opening treasure chest
Captivating home decor – Arrange each feature for the perfect look and display your creation in the home or workplace for all to enjoy
A fun Christmas or birthday gift – Treat yourself or gift a loved one with this LEGO® Icons Tropical Aquarium building project for adults and pet fish lovers
Includes digital building instructions – The LEGO® Builder app features a 3D digital version of the building instructions included with this LEGO fish tank aquarium construction set
LEGO® building sets for adults – Discover a space for relaxation with the inspiring range of LEGO building projects (sold separately) designed specifically for adults
Dimensions – The fish tank in this 4,154-piece LEGO® aquarium building set measures over 36 cm (14 in.) high, 52 cm (20.5 in.) wide and 28 cm (11 in.) deep

Building Instruction for LEGO 10366 Tropical Aquarium

Part Lists for LEGO 10366 Tropical Aquarium

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 10366 Frequently Asked Questions

How much does LEGO 10366 Tropical Aquarium cost?

The lowest price in the Brickfact price comparison is currently £399.99 incl. shipping at Lego.co.uk. The RRP is £399.99.

Where can I buy LEGO 10366 cheapest?

Only one retailer in the Brickfact price comparison currently stocks LEGO 10366: Lego.co.uk (£399.99).

Is LEGO 10366 still available?

Yes. LEGO 10366 Tropical Aquarium is currently available at 1 retailers in our price comparison.

When was LEGO 10366 cheapest?

Since tracking began on 12/10/2026, the lowest shop price recorded by Brickfact for LEGO 10366 was £399.99 on 12/10/2026 at Lego.co.uk, including shipping. Amazon prices are not included.