Sesame Street Cookie Monster I Heart Cookies is 100% authentic, officially licensed Sesame Street apparel, that comes in t shirt, v-neck, tank top, longsleeve, pullover hoodie, sweatshirt, raglan, styles! Sesame Street is a longtime favorite of children and adults, and a staple of PBS. Big Bird leads a cast of characters such as Bert and Ernie, Oscar the Grouch, Elmo, Grover and many others to teach children numbers, colors and the alphabet.