How Long Does LEGO® Universal School Set (9453) Take to Build?

A typical builder finishes LEGO® Universal School Set (set 9453, 699 pieces) in about 1 hour 45 minutes. Taking it slowly runs closer to 2 hours 20 minutes; building at a fast pace, about 1 hour 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.