We have nine ewes but had 7 lamb in 7 days, which required some juggling! Set up four permanent pens and one large pen for the eldest to go in once mum and done the bonding thing with her bambino for 24-48 hrs, although I did let them into the main pen and kicked out the expectant mums into the field during the day before penning them up at night before bringing the others in. I built all of my pens out of wood from pallets, some of them 4 ft up to a couple of 7 footers; all it cost me was nails, screws, time and a lot of patience. I've also banged together my hay rack and my creep feeder - gives my little barn a real olde age rustic feel!