LEGO Icons 10366 Tropical Aquarium

LEGO 10366 Tropical Aquarium is a 2025 Icons set depicting a tropical aquarium built from LEGO elements.

Set 10366 Tropical Aquarium is part of the Icons theme, which includes models designed for detailed building and long term display. The subject is a tropical aquarium, presented as a decorative object rather than a character driven scene.

The build can be understood as the construction of an aquarium form and its interior arrangement, with emphasis on visual composition and display value.

This set is aimed mainly at builders and collectors looking for an Icons model to exhibit. It is suited to shelf display, a cabinet or a collection of decorative LEGO builds.

Inventory of set 10366

The inventory of set 10366 lists 4,154 pieces, spare parts excluded: 693 different lots (one shape in one color) for 349 part shapes. The box also contains 71 spare parts, for small elements that are easy to lose.

Colors of set 10366

Main color: black, making up 16% of the parts, followed by dark tan (10%) and light bluish gray (9%).

Part types

Most common parts in set 10366

339 of the 349 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 10366

One part shape in set 10366 appears in no other set in the catalog, most often a printed element, a sticker or a mold specific to the model. If it gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 16 lots in the set are not found in any other set.

No similarly sized set supplies more than a quarter of its parts: set 10366 relies on a little-shared assortment.

Size of set 10366 within its line

With 4,154 pieces, set 10366 ranks #10 out of 86 Icons sets in our database, which have an average of 2,085 parts. Among the 625 sets released in 2025, it ranks #2.