She is between 9 and 10 months old we think but she is a large girl, rivaling my 18" long male. I used vermiculite from Lowes (Mike @FL Chams recipe: (3) 32 oz cups of Vermiculite and 3 measured cups of water. (Perfect Mixture) ) My house stays a basic 74 degrees year round, so I am putting them in my roll top desk in my bedroom to incubate. My female is mean as ever giving me a long loud hiss when I went to feed her!