Really sweet pictures of the kids and chicks.
Wow - I must say you must have a big BO and small BR. Mine were the opposite and my BR still out-size the BO.
Enjoy every minute.
Why are you only getting two chicks?
I would recommend you get at least three. If you only get two and something happened to one, you would end up with a lonely little chick and may not be able to get a partner close to the same age.
I got my ten chicks from local feed store that held them...