Your better off just going and buying an incubator for $40, if u live in America that is, if you seriously want to make a home made one, its gonna cost just as much maybe even more and much less chance of it working, if you still want to make a home made one, im not sure how to but there are a ton of videos on youtube to show you how, and a great website that i used to get a incubator off is
http://lllreptile.com/ i suggest getting the hovabator, still air model. Its the model 1602. Good luck!
