If anyone is interested in making their own incubator. I found the greatest thing. Walmart is getting their fishing worms in and they come in a large Styrofoam container. It is about 21"x19" and is 12" high. My DH brought one home to me last night. If anyone wants to try making their own, You might consider asking at the sporting goods department if they have any of the Containers that the fishing worms come in. They might save one back for you. The foam is around 2 inchs and it makes for a great unit as it keeps the temp very well, better even than the form incubators you buy. I made a hatcher that has worked very well for me out of an Omaha Steak Container which is about the same thickness, but is is pretty small compared to this. I am going to convert this container to a hatcher and I will post photos. It is handy to have something like this around for times when your incubator goes on the fritz or when you have staggered hatches. This is a photo of the first one I made.