Color and create with no worries because Unmistakables Crayons are totally erasable. Erasable crayons sound like magic but it really works. Color or draw on paper and you can use any eraser to erase the crayon away. Coloring mistakes are a thing of the past. With erasable crayons you can try interesting crayon art techniques too. When you color on paper you can use the eraser to create patterns in your crayon art. Unmistakables has 15 colored crayons in a set and also includes an eraser. And a bonus is Unmistakables come in a reusable tray case so they're easy to take with you wherever you go. Suitable for ages 3 and up.