How Long Does LEGO® Sea Serpent (40912) Take to Build?

A typical builder finishes LEGO® Sea Serpent (set 40912, 241 pieces) in about 40 minutes. Taking it slowly runs closer to 50 minutes; building at a fast pace, about 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.