If you can crochet, I think you’re going to love this free pattern for a convertible marker case. It lets you neatly store your collection of travel markers in a purse or backpack, then convert the case into an upright pen jar when you’re ready to color. Doodles and Jots has the details.
Although this marker case is super cute, you’re not entirely out of luck if you can’t crochet. You can use your favorite coloring pages to make pencil pouches from plastic Ziploc bags or check out some of our other tips for organizing your adult coloring supplies.