LEGO 21356 Ideas - River Steamboat Building Instructions

Ideas • 2025

Instruction videos

LEGO 21356 set details

Set number	21356
Theme	Ideas
Year	2025
Pieces	4090

LEGO 21356 Ideas - River Steamboat is a 2025 LEGO Ideas set focused on the boat build. The details table below lists 4090 pieces, along with the set number, theme and year.

About this LEGO instruction page

Watch the step-by-step LEGO instructions video for LEGO 21356 Ideas - River Steamboat. You can pause between steps, follow the build order, and use the related instruction links below to find more sets from the same theme.