How Long Does LEGO® Large Locomotive (Base Unit without Color Trim Elements) (3741) Take to Build?

A typical builder finishes LEGO® Large Locomotive (Base Unit without Color Trim Elements) (set 3741, 91 pieces) in about 15 minutes. Taking it slowly runs closer to 20 minutes; building at a fast pace, about 10 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.