Tropical Aquarium

Name: Tropical Aquarium
SKU: 10366-1

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Tropical Aquarium (10366-1) is a set in the Icons theme, released in 2025. It has 4,154 pieces.

Best offer right now

LEGO® Shop (US)

479.99 USD

net · seen 11/5/2026

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Number:10366-1
Released:November 2025
Pieces:4,154
Box size:52.3 × 48 × 21.8 cm
Theme:Icons

Box size and weight as measured by Brickset.

In numbers

Over the last 30 days the lowest shop price recorded for this set was 459.45 USD, taken from 30 days with a price on record.

Since 10/1/2026 the lowest shop price has fallen from 464.63 USD to 459.74 USD, by 1 % (based on 36 days with a price on record).

LEGO expects to retire this set in December 2028.

Product details

Number: 10366-1
Name: Tropical Aquarium
Theme: Icons
Released: November 2025
Launched: November 2025
Retires: December 2028 (expected)
Pieces: 4,154
RRP: ≈ 421.35 USD (599.99 CAD) (Canada)≈ 505.11 USD (449.99 EUR) (Germany)≈ 528.02 USD (399.99 GBP) (United Kingdom)479.99 USD (United States)
Price per piece: ≈ 0.101 USD (0.144 CAD) (Canada)≈ 0.122 USD (0.108 EUR) (Germany)≈ 0.127 USD (0.096 GBP) (United Kingdom)0.116 USD (United States)
Best price (30 days): 459.45 USD
Price per piece (best offer): 0.111 USD
Barcodes from shop data, not confirmed: EAN-13 5702017829210

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

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View the price guide on BrickLink

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Description from LEGO.com

Aquarium home decor building set for adults

Read the full description

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 colors. 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, sea worms 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.

Source: LEGO Shop Advertising

Can I build this?

Check this set against the parts you already own.

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Pricing

Best price ever≈ 459.45 USD (411.25 EUR) Advertising Sealed · gross · Proshop · seen 10/30/2026

Current best offer≈ 459.74 USD (411.25 EUR) Advertising Sealed · gross · Proshop · seen 11/3/2026

Price history

Lowest shop price now459.74 USD
Lowest ever 459.45 USD

Each day's lowest price among the shops' current offers, including VAT. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	459.45 USD
October 2026	459.45 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources LEGO® Shop (US): 41 · LEGO® Shop (FR): 35 · LEGO® Shop (BR): 33 · LEGO® Shop (DE): 28 · LEGO® Shop (BE): 27 · LEGO® Shop (GB): 27 · LEGO® Shop (AT): 26 · LEGO® Shop (CH): 26 · LEGO® Shop (CZ): 26 · LEGO® Shop (DK): 26 · LEGO® Shop (ES): 26 · LEGO® Shop (FI): 26 · LEGO® Shop (GR): 26 · LEGO® Shop (HU): 26 · LEGO® Shop (IE): 26 · LEGO® Shop (LU): 26 · LEGO® Shop (PT): 26 · LEGO® Shop (SE): 26 · LEGO® Shop (IT): 25 · LEGO® Shop (NL): 25 · LEGO® Shop (NO): 25 · LEGO® Shop (PL): 25 · LEGO® Shop (RO): 25 · LEGO® Shop (SK): 25 · Proshop: 17

Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 421.35 USD (599.99 CAD) unknown tax basis Available since 10/15/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

Germany ≈ 505.11 USD (449.99 EUR) gross Available since 10/15/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United Kingdom ≈ 528.02 USD (399.99 GBP) gross Available since 10/15/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United States 479.99 USD net Available since 10/15/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Display case for this set

A display case made to fit this set, sold by a partner shop. The price is the shop's own, including VAT; delivery is extra.

Tropical Aquarium Display Case for LEGO 10366 96.00 GBP grossplus 10.50 GBP deliverySold by iDisplayit · price read 10/7/2026

AdvertisingView at iDisplayit

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

759 inventory lines

Catalogue image of the part Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib]

Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247· Red

×1

Catalogue image of the part Bar Holder with Clip

Bar Holder with Clip 11090· Orange

×32

Catalogue image of the part Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]

Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] 11153· Medium Lavender

×1

Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] 11153· Light Bluish Gray

×1

Catalogue image of the part Brick Special 1 x 2 with 2 Studs on 1 Side

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Black

×4

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Yellow

×6

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· White

×2

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Tan

×8

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Reddish Brown

×1

Plate 3 x 3 11212· Red

×2

Plate 3 x 3 11212· White

×2

Plate 3 x 3 11212· Light Bluish Gray

×1

Catalogue image of the part Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214· Red

×4

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214· Dark Bluish Gray

×2

Catalogue image of the part Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom

Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom 11215· Light Bluish Gray

×2

Catalogue image of the part Plate Special 1 x 2 with Pin Hole on Top

Plate Special 1 x 2 with Pin Hole on Top 11458· White

×2

Same theme, piece count within 15 %

Similar sets

Tropical Aquarium

In numbers

Product details

BrickLink market data

Description from LEGO.com

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Display case for this set

Building instructions

Parts in this set

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