14 month old Leo was initially uninterested, but after we got past the first half of the book he got pretty focused and seemed to be thinking. Mom thought it was a cute book. Some of the photos really made her laugh, and she thought it was cool that one of the babies had the exact same blocks that Leo does (they were blocks that Mom played with in her childhood).
I got it because the kiddo is fascinated with other babies right now. But the book was a bit meh. Could have done with larger, more focused images rather than a collection on a single spread. Not super engaging.