How Long Does LEGO® Ultra Dragon Battle (71872) Take to Build?

A typical builder finishes LEGO® Ultra Dragon Battle (set 71872, 2,178 pieces) in about 5 hours. Taking it slowly runs closer to 7 hours; building at a fast pace, about 3 hours 55 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.