OK, I need to make a cabnit incubater to hatch more eggs at a time "sigh" so I have some Q, #1 can I make the walls out of wood or does it need to be plastic ? #2 what can I use for heat ? #3 what size fan do I need to use? # 4 Is it possble to make my own turners ? I want to have 2 to 4 turners in this cabnit. so I am going to use 1/4 to 1/2 screen for shelfs. I was thinking I can order the moters and then hook up the turners to this ?? any help is good for me and my little peeps !!!!