Nail art involves creatively decorating fingernails and toenails using colors, patterns, glitter, and other embellishments. Popular nail art designs include animal prints, cartoon characters, glitter designs, and marble art. Proper nail art requires various tools like dotting tools, nail polish in different colors, brushes of varying sizes, as well as basecoat, topcoat, glitter, and striping brushes. Additional nail art techniques include stamping and dotting art.