Welcome! Hope everything works out! And I also recommend ALOT of ventilation points in your coop. You can always close them up if its too much, but too little can be a bad thing.
The pen or run, is outside, where they can peck and scratch, we keep their food and water out in our pen.
The coop is where they sleep at night and once they are used to it, they will go in there on their own at night.
You will need about 1 box for every 3 hens. Just to be on the safe side we...
And nesting boxes, plenty of nesting spots. My chickens will only use one at a time though, we have four hens, and two nesting boxes next to each other, but while one hen is in a box, another one that wants in will just sit outside the coop (they are free range) and squawk, they won't use both...
My name is Matthew and i am 17.
This is my families first year having chickens, we got them as a couple day old chicks for easter, 2 Cornish rocks (hen and rooster) and 4 leghorn hens. A very fun experience, we have really nice pets and some amazing eggs!! i cant believe the difference in taste...