Yes, Aracaunas are known to lay well. They are the chickens that lay the "colored" eggs. Usually they are some variation of green or pink, but sometimes you get lucky and get one that lays blue eggs.
A large dog crate or box will work for bringing them home in. If they have to travel for more than 1/2 hour or so, it's best to bring some water with you to give to them. They will probably be scared at first, but just be gentle and calm with them, and they'll settle. If you can get some electrolyte solution, put that in their water for a couple of days to help them get over the stress of being in a new home.
Not knowing what you have at home as far as a coop or anything goes, I can't really offer much more information. If they're already laying, make sure you have quality layer feed available.