You'll want to put pine chips on the floor, a slick surface like newspaper can give chicks splay leg. It's when they do the splits from not having a sure footing.
Welcome and enjoy!
Steve. .
Hello and Welcome To BYC! Congrats on the new arrivals, you'll have fun figuring out who is what. X2 on what drumstick diva said, it usually means asst breeds that lay different colors of eggs.