LEGO 21356 River Steamboat Instructions

Ideas • 2025

Instruction videos

LEGO 21356 set details

Set number	21356
Theme	Ideas
Year	2025
Pieces	4090
Age rating	18+
Model dimensions	15.5 in. (40 cm) high, 27 in. (69 cm) long and 5.5 in. (15 cm) wide
Release date	7 April 2025
UK MSRP	£289.99
US MSRP	$329.99
EU MSRP	€329.99

Set overview

LEGO 21356 River Steamboat is a 4090-piece LEGO Ideas set released in 2025.

This page includes one step-by-step instruction video for building River Steamboat.

Notable features

a display stand
included minifigure content

Official LEGO building instructions

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

VIEW OFFICIAL LEGO MANUALS