Who is this set aimed at?

As an Icons set, it's aimed at adult builders looking for a display model for the living room or a shelf.

How many pieces does the set have, and are there minifigures?

It has 4,154 pieces and includes no minifigures.

How varied are the parts?

With 693 different elements, it ranks among the more part-rich models in the Icons range.

Icons

Tropical Aquarium

A tropical aquarium as living-room decor: this Icons set turns 4,154 pieces into a detailed tank complete with fish and coral, with no minifigures, but plenty of attention to detail.

Set number: 10366
Year: 2025
Pieces: 4,154
Minifigures: 0
Theme: Icons
Different parts: 693

What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 693

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (66)

These extra parts come with the set in case one gets lost.

Description

An aquarium for the display shelf

The set belongs to the Icons range, aimed at adult builders and designed for display rather than play. At 4,154 pieces it builds an aquarium diorama that recreates the typical elements of a tropical tank: a glass front, water plants, rocks and, of course, various fish. The scale makes it a multi-day project that splits naturally across several building sessions, such as tackling the tank, the planting and the fish separately. Patient builders are rewarded with a highly detailed finished result.

No minifigures, plenty of natural detail

With no minifigures included, the entire focus sits on recreating the underwater world and its furnishings. That echoes other Icons sets from the botanical or nature side of the range, which likewise favour realistic detail over play figures. For collectors who already own plant or flower sets, the aquarium fits neatly into a growing collection of display models that can be shown off together on a shelf and expanded over time.

A colour mix of black, tan and grey

The palette of black, dark tan, light bluish grey and tan likely forms the aquarium's frame along with rocks and substrate, while further colours in the parts list presumably cover fish, plants and coral. With 693 different elements, the set ranks among the more part-rich Icons sets, offering a correspondingly wide range of shapes and textures for a convincing overall picture, from fine water plants to textured rock formations on the tank floor.

The parts list as a planning aid

For a set this size, the full parts list on this page is especially worth checking, whether to break the build into thematic sections or to rebuild individual fish or plants afterwards and reuse them in your own creations. It also makes it easier to extend or rearrange the aquarium later on, perhaps adding extra fish from other sets or trying out different colour variations.

FAQ

Who is this set aimed at?: As an Icons set, it's aimed at adult builders looking for a display model for the living room or a shelf.
How many pieces does the set have, and are there minifigures?: It has 4,154 pieces and includes no minifigures.
How varied are the parts?: With 693 different elements, it ranks among the more part-rich models in the Icons range.