isometimes use one imade myself a small wooden box about a foot square i use perspect lid drill a hole in middle of lid to fit a household light socket fit a 15 watt bulb then drill a small hole about 1 inch from top of box on two sides for air vents a bit smaller than a pencil put some sawdust 1 inch deep in bottom and a small lid off a bottle lemonade in corner with a little water cant remember what temp should be but as long as you turn the eggs every day should hatch about 19 days if it takes longer plug one hole if less than 17 days drill another hole between 17 and 21 days is ok check eggs are full at 3 days 4 at most hold each egg up to a light bulb if you cant see veins of blood bin them there empty your problem is trying to have your feeders with in 2 or 3 days to foster them ifound if your feeders do not have soft food you can feed the chicks bye crushing up cornflakes into powder a spot of milk and luke warm water and mix into a thin paste you can sringe them for a few days i found it to much hassle so just use it to keep eggs and yb warm if i send pair to race hope this info helps you good luck m8