Cigar humidor?!
Answers: how do i make a cigar humidor?
Try looking at these sites:
www.clubstogie.com/vb/archive/index.ph...
www.voilacigars.com/humidors.asp
Are you talking a small box to hold a few cigars? box to hold a few boxes, or a Humidor room?
A Rubbermaid Ice Cream container works nice.