Set 21356
4090 parts 4090
LEGO

River Steamboat

Reference: #21356 · released in 2025

Themes: LEGO Ideas and CUUSOO

The LEGO River Steamboat set came out in 2025 in the LEGO Ideas and CUUSOO theme. It holds 4090 parts. This minifigure-scale model represents a river steamboat with removable rooms and a steam engine museum.

This set from LEGO includes a total of 4090 parts distributed across 640 distinct unique parts.

4090
Total parts
640
Unique parts
LEGO
Universe

Set parts (640)

4090 parts in the box
Light Bluish Gray
White
Dark Bluish Gray
Dark Bluish Gray
Light Bluish Gray
Reddish Brown
Medium Nougat
Light Bluish Gray
Dark Tan
Reddish Brown
Dark Brown
Light Bluish Gray
Light Bluish Gray
Reddish Brown
White
Reddish Brown
Light Bluish Gray
Dark Tan
Reddish Brown
Light Bluish Gray
Dark Tan
Dark Brown
Dark Tan
Light Bluish Gray
Reddish Brown
Dark Tan
Reddish Brown
Light Bluish Gray
Dark Tan
White
Dark Bluish Gray
Light Bluish Gray
Reddish Brown
Reddish Brown
Dark Bluish Gray
Light Bluish Gray
White
Black
Light Bluish Gray
Dark Bluish Gray
Dark Tan
Reddish Brown
Medium Nougat
×40 +2 spares
Plate 1 x 1
White
×2 +1 spare
Plate 1 x 1
Black
×1 +1 spare
Plate 1 x 1
Trans-Clear
×7 +1 spare
Plate 1 x 1
Light Bluish Gray
×4 +1 spare
Plate 1 x 1
Tan
×1 +1 spare
Plate 1 x 1
Trans-Orange
×2 +1 spare
Plate 1 x 1
Dark Blue
×15 +2 spares
Plate 1 x 1
Reddish Brown
×24 +2 spares
Plate 1 x 1
Dark Tan
×1 +1 spare
Plate 1 x 1
Medium Nougat
Dark Tan
Light Bluish Gray
Dark Tan
Light Bluish Gray
Dark Bluish Gray
Light Bluish Gray
Light Bluish Gray
Reddish Brown
Light Bluish Gray
Dark Bluish Gray
White
Dark Green
Light Bluish Gray
Reddish Brown
Dark Tan
Dark Blue
Medium Nougat
Light Bluish Gray
White
White
Light Bluish Gray
Reddish Brown
Dark Tan
Reddish Brown
Dark Bluish Gray
White
Light Bluish Gray
Reddish Brown
Dark Tan
Light Bluish Gray
Black
White
Reddish Brown
Light Bluish Gray
Dark Tan
×6 +1 spare
Technic Bush
Red
×5 +1 spare
Technic Bush
Black
Light Bluish Gray
Reddish Brown
Dark Bluish Gray
Reddish Brown
Light Bluish Gray
Light Bluish Gray
Reddish Brown
Dark Blue
Light Bluish Gray
White
Reddish Brown
Dark Bluish Gray
Light Bluish Gray
Light Bluish Gray
Opal Trans-Clear
Yellow
Light Bluish Gray
Reddish Brown
Light Bluish Gray
Reddish Brown
Light Bluish Gray
Reddish Brown
Dark Bluish Gray
Medium Nougat
Reddish Brown
Reddish Brown
Light Bluish Gray
Reddish Brown
White
Reddish Brown
Dark Bluish Gray
Dark Tan
Dark Tan
Reddish Brown
Trans-Clear
Light Bluish Gray
Tan
Light Bluish Gray
Light Bluish Gray
Trans-Orange
White
Pearl Gold
Dark Bluish Gray
Dark Bluish Gray
Light Bluish Gray
Reddish Brown
Dark Tan
Light Bluish Gray
Dark Tan
Medium Nougat
White
Black
Light Bluish Gray
Reddish Brown
Light Bluish Gray
Black
Light Bluish Gray
Pearl Gold
Trans-Clear
Light Bluish Gray
Dark Bluish Gray
×1 +1 spare
Bar 3L
Black
×2 +1 spare
Bar 3L
Light Bluish Gray
×18 +1 spare
Bar 3L
White
Dark Bluish Gray
Light Bluish Gray
Flat Silver
Trans-Green
Light Bluish Gray
Trans-Clear
Trans-Red
White
Trans-Green
Dark Brown
Light Bluish Gray
[No Color/Any Color]

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