Marvel Avengers Preschool Backpack for Kids, Toddlers ~ 5 Pc School Supplies Bundle with Canvas Avengers Superhero 10" Mini Backpack, Stickers and More. This Marvel Avengers mini backpack for young kids and toddlers measures 10 x 8 x 5 inches when full, has 1 front pocket, and comes with eye-catching design featuring Iron Man, Captain America, Spiderman, Scarlett Witch, and more. Perfect in an Avengers school supplies set for girls and boys alike, the Marvel Heroes backpack is great for toddlers and small children just getting back-to-school. This kids Avengers school bag can also double as a superhero travel bag, room decor, or toy organizer. Officially licensed Marvel Avengers mini backpack for toddlers and kids. The Avengers small school bag also comes with 25 bonus Avengers stickers and a Beach Kids superhero door hanger.