How Long Does LEGO® Hogwarts Classroom (4721) Take to Build?

A typical builder finishes LEGO® Hogwarts Classroom (set 4721, 76 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.