How Long Does LEGO® Automatic Direction Changer (157-2) Take to Build?

A typical builder finishes LEGO® Automatic Direction Changer (set 157-2, 7 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.