How Long Does LEGO® Early Math Numbers Set (9540) Take to Build?

A typical builder finishes LEGO® Early Math Numbers Set (set 9540, 115 pieces) in about 20 minutes. Taking it slowly runs closer to 25 minutes; building at a fast pace, about 15 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.