How Long Does LEGO® Brick-Built Mosasaurus Boat Mission (76974) Take to Build?

A typical builder finishes LEGO® Brick-Built Mosasaurus Boat Mission (set 76974, 858 pieces) in about 2 hours 5 minutes. Taking it slowly runs closer to 2 hours 50 minutes; building at a fast pace, about 1 hour 35 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.