Marvel Spiderman Mini Toddler Preschool Backpack Set -- 11 Inch Spiderman Backpack, Water Bottle, Stickers, and More (Spider-Man School Supplies Bundle). Deluxe Spiderman Backpack for Toddlers features adjustable shoulder straps, zip closure compartment, and top locker loop for hanging. Toddler Backpack measures approximately 11" x 8" x 4" -- the perfect size kindergarten or preschool backpack for back to school. Includes Beach Kids water bottle, Avengers stickers, and a Beach Kids door hanger. Sure to excite any fan of Spiderman and superheroes! Minimum Age Grade: Over 3 Years of Age. Officially licensed Marvel Spiderman school supplies products -- for boys and girls alike.