We all have some colors in the crayon box that are worn down before the rest. That's where this 12 count single color crayon sets come in handy. From coloring books to art projects, based on your theme, you may only want specific colors. You don't have to worry about running out of the color you need most. Now you can make that choice without buying a regular crayon box you don't need, & instead buying the color you want in bulk. Color(s): Gray; Color Family: Gray; Size Group: Standard; Age Recommendation: Ages 4 & up.