Can be used towards any item in the system including Kamp registrations.
Instructions: When you buy a gift certificate you will specify the name of the recipient, as well as their email address. That person gets an email with the random code in it, which they enter at checkout.
The way it works is it tracks how much you use, so you can use it more than once, and then figures your balance due at check out if you go over the amount. Pretty Cool from Flatpik Central!