Those other boxes are for the blueprints that you get from choosing the fortune teller over the traders. You'll notice that there are two sets of 6 blueprints, you can get one set or the other but not both. As for the last kefling, make sure you clear the non-renewable resources from the map. You'll find a couple hearts hidden under resources.
"It is better to remain silent and be thought a fool than to speak and remove all doubt"