How Long Does LEGO® John Hancock Center (Brickstructures Version) (19720) Take to Build?
A typical builder finishes LEGO® John Hancock Center (Brickstructures Version) (set 19720, 69 pieces) in 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.