hey i have a sulcata that i have hhad for one year. when i got him he was the size of hand 5 inch in scl. now he or she has easy doubled that if not more. Well i was wording when will i be able to know the sex.
then look here for other pictures of people asking the same thing, and take a guess... thats all we do when they are small... until they are older or you get flashed... sometimes its hard to tell.