This has some good ideas going. But I think if would be impossible to keep the chicks inside the brooder box when you open the door. I think a two section door would be better.
Inside our chicken coop. The buckets make it an easy clean up, and the slanted roof prevents hens from nesting on top of the boxes.
hula hoop chicken tractor is probably about the size I'd need.
... stop the waste, so far it is working great. They still pick through and pull out the feed, but now it falls back in the feeder, and not on the ground.
PVC Chicken Feeder http://theownerbuildernetwork.co/i2p7 Here's a chicken feeder that's easy to fill, hard to spill, safe from non-chicken life forms, weather resistant, easy to make, and inexpensive!
A minimal version of our chick playpen. Great way to keep the babies safe!
Repurpose Old Tires into Chicken Baths || Weed 'Em and Reap More
PVC pipe chicken feeders that can be filled without going inside the coop.
Got a feeder waiting for installation... and got the little red bowl for the water but I'll be putting mine on a food-safe water-barrel.