It sounds like you had a pretty successful hatch with the fertile eggs, congrats! Bet your daughter found it all pretty amazing.
Once you have 20 posts you can use the buy-sell-trade forum here on BYC. A free re-homing thread is part of that section.
It's not hard to get the minimum 20 (and lots more) by joining in on the conversations that interest you, chat with others in your state thread, or even welcome new members like yourself.
There are excellent ideas for coops of all sizes here:
And this forum will be helpful in answering your coop questions:
Good luck finding good homes for your boys and with your coop re-do!