From the Dr. Seuss Horton Hears A Who Party Collection. Horton Hears a Who Party Sticker 4 Pack. Celebrate with your favorite Dr. Seuss character, Horton. Features the classic "Horton Hears A Who" colors and artwork. Perfect for rewarding children for educational accomplishments and jobs well done, or they can be used to personalize and decorate folders, notebooks and other belongings. Recommended for ages 3 and up.