If baby is too small to nurse they are fed via a nose tube and syringe pump. Dinner options include formula, donated or BYOB human milk, and special concentrated human milk with vitamins. If baby is not doing well they can feed via IV. It is not easy to get an IV into a tiny baby, but they manage.
This design does make it harder for the nurses to keep an eye on all the babies so they rely on the vital signs monitoring equipment a lot. They measure HR, blood O2, respiration and skin temp. They can get alerts in room A if baby in room B vitals drop. There is also a cell phone thing they can watch vitals on if they are away from the rooms for some reason.
You don't really get to see the other babies, and sadly there are no carnival games. It did feel a bit isolating but this system does have advantages, each room can be turned into an OR if required and germ transmission is reduced.
They can handle very small babies, down to 24weeks. They have diapers the size of postage stamps for the little ones. The ward had 30+ babies when we were there and not one death the whole six weeks. Pretty good.