BERNINA Machines with SILVER BOBBINS have 2 Classes; This class takes you through the basics of your machine from the very start. Learn about the functions and abilities you have with your machine. With Part 1(BO) Basic Operations and Part 2 (SF) Stitch Fun. These classes are also offered as 1 day (BC) Boot Camp class. These classes are Free when you buy a machine at Dave's BERNINA.