You have of store credit. To use it, simply place your order and you will be able to choose store credit as the payment method when it comes time to pay for your order.
Trollbeads offers many kits of glass beads. Each kit has a theme or was released at the same time. The purchase of a kit is a good way to go because although you are only paying for 5 beads you recieve 6! You get one free bead!