How Long Does LEGO® Road and Rail Maintenance (4546) Take to Build?

A typical builder finishes LEGO® Road and Rail Maintenance (set 4546, 77 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.