I bought this crib on craigslist and I am using it for my brooder. It came with drawers underneath that I actually set where the mattress would go. This will keep the chicks close to their heat source, food and water with it's divider for the first few days. The drawer doesn't reach the back of crib so I used styrofoam and cardboard to fill that space in. This will also insulate them against my basement wall. The crib has a drop down side, so when they get bigger and I lower the floor to give them some height, I can drop the side for easy access. The heating plate is a premier 1. I also provided a UVB bulb (not shown but it sits on a screen lid over right side of the crib) to provide "sunlight" necessary for proper metabolism and bone growth.