It seems that Club Herbert (click here to see Club Herbert) had a update in which it is a invention that he created for the Operation: Puffle mission which it all starts on November. 21, 2013. Check it out:
So that Blueprint was an invention that he is making right now and he is using it for the Operation: Puffle, now i get it. What is Herbert planning right now and could the EPF HQ finish rebuilding this month?, leave us a comment.