Card Verification Code can be found on the back of the card, usually
within the signature panel.
can be found on the front of your card, just above the
number on the right side.
I have watched many kids of many different ages. Most of the kids I have watched started off at infants and watched them till they were 5/6 years old. I normally watch the children in there home so they are where they are comfortable. I have a few child development classes under my wings and still learning as I go.