How Long Does LEGO® LearnToLearn Core Set (45120) Take to Build?

A typical builder finishes LEGO® LearnToLearn Core Set (set 45120, 2,018 pieces) in about 4 hours 40 minutes. Taking it slowly runs closer to 6 hours 30 minutes; building at a fast pace, about 3 hours 35 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.