Have each weeks hatchlings together. Have 4 tall then week 5 transition them to brooder with run and partial access.
How To Build A Chicken Coop From Recycled Pallets http://theownerbuildernetwork.co/ausz Building a chicken coop doesn't have to be expensive! This chicken coop made from repurposed pallets is a perfect example.
Important Tutorial! Interessante Dachlösung. Mglk zur Belüftung!!! DIY DIVA Chicken Coop Tutorial