Crayola - CYO587807 Spread the love with a pack of Colors of Kindness Markers. Packaged in an adorable box, these fine-line markers contain colors named for kindness. They are safe and nontoxic art supplies that unlock creativity in ages 3 and up whether they're working on art projects or school projects. These classic markers are durable and long-lasting, perfect for creating thin lines of detailed works of art.