Getting a coop is a big decision. It took us a year to finally decide on ours and still it doesn't 100% contain all our wants/needs so I can sympathize with your dilemma to find something workable. Different companies have different names for the identical coop designs. Do you have a pic or a website where we can peruse the "Rambler"? We have our new coop but I still love going over this thread to see all the coops and how people use or modify them. You used a child's pen to enclose your chicks. We similarly used a small dog kennel pen to use indoors as our quarantine/hospital pen.
I added the pin to keep them in one place lol.. Momma can still get out and others can get into coop for egg laying but littles are more or less in one area. Granted 1 still figured out that she can flutter up and out but I'm going to clip those wings today.
They are now in upgraded rooms lol... Added a little branch and such so they should be happy.
Still deciding on best coop to buy. I was thinking the Rambler. Any reviews on that coop guys?