How Long Does LEGO® River Steamboat (21356) Take to Build?

A typical builder finishes LEGO® River Steamboat (set 21356, 4,090 pieces) in about 9 hours 30 minutes. Taking it slowly runs closer to 13 hours; building at a fast pace, about 7 hours 30 minutes.

PieceTick estimates build time from piece count, part complexity, the set’s age rating, your experience level, and how you sort pieces. Adjust those on this page for an estimate matched to how you build.