Hemingworth Color Boxes are a beautiful way to build (and store!) your machine embroidery thread collection. Each boxed set includes 12 vibrant spools from a specific color family or theme, with shades ranging from light to dark. There are 15 Color Boxes total, available to purchase as a whole collection or one box at a time. Boxes are designed to be stored upright like a book—a fitting feature, as you’re building an enviable thread library.