Sesame Street Activity Backpack - Bundle with Sesame Street Mini Backpack with Chalk Plus Water Bottle, Stickers, More | Sesame Street Backpack for Kids. This Sesame Street activity set includes a mini backpack with chalk and Sesame Street chalk holders for outdoor fun. Sure to be a hit with Sesame Street fans of all ages, this backpack activity set is perfect to give as a gift to your favorite Sesame Street enthusiast. This Sesame Street mini backpack is perfect to carry your chalk or any other small items with you to school, on vacation, or anywhere else. Officially licensed Sesame Street backpack for kids of all ages. This Sesame Street activity set also includes a Beach Kids water bottle, Sesame Street stickers and a Barn Bots door hanger.