How Long Does LEGO® The Vault Memory Lane (4000042) Take to Build?

A typical builder finishes LEGO® The Vault Memory Lane (set 4000042, 1,243 pieces) in about 3 hours. Taking it slowly runs closer to 4 hours 5 minutes; building at a fast pace, about 2 hours 20 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.