LEGO 10366 Building Instructions - Tropical Aquarium

Icons • 2025

Where can I find LEGO 10366 Tropical Aquarium instructions?

LEGO 10366 Tropical Aquarium is a 4,154-piece LEGO Icons set released on 13 November 2025. This page provides a step-by-step building instruction video. The page also links to LEGO's official building instructions for this set.

Official LEGO building instructions

Open the official LEGO instruction page to select and download the available PDF manual books.

VIEW OFFICIAL LEGO MANUALS

Instruction videos

LEGO 10366 set details

Set number	10366
Theme	Icons
Subtheme	Miscellaneous
Year	2025
Pieces	4154
Age rating	18+
Model dimensions	36 cm (14 in.) high, 52 cm (20.5 in.) wide and 28 cm (11 in.) deep
Release date	13 November 2025
UK MSRP	£399.99
US MSRP	$479.99
EU MSRP	€449.99

Set overview

LEGO 10366 Tropical Aquarium is a 4154-piece LEGO Icons set released in 2025 from the Miscellaneous range.

This page includes one step-by-step instruction video for building Tropical Aquarium.

Notable features

a display stand
a brick-built animal model