How Long Does LEGO® The Lego Store Flatiron District Grand Opening (FLATIRON) Take to Build?

A typical builder finishes LEGO® The Lego Store Flatiron District Grand Opening (set FLATIRON, 15 pieces) in about 5 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.