This is using one Zauberball. It is amazing how far it goes. This scarf is so much fun to make, don't worry if it looks hard there are plenty of YouTube videos out that will set you straight.
You will get one ball and a pattern.
This is a custom tab. You can create as many of these in different layouts and formatting, and assign them to certain products (or all products at once), certain categories, and certain brands. For finer control, you can make it ignore certain products.