just be careful dangling a pinky because sometimes they miss. My boys had California Kings growing up and had to learn the hard wayShe'll be on "hopper" mice when I pick her up, which is the mouse equivalent of a toddler. When she's full grown it will likely be medium to large rats(about a third to half a pound). It doesn't have to be live. It's cheaper to buy frozen ones in bulk and thaw them when it's time to feed.