Blue's Clues Backpack and Lunch Box for Kids - Bundle with Blue's Clues Backpack, Blue's Clues Lunch Tin with Puzzle, Water Bottle, Stickers, More | Blue's Clues School Backpack Set. This Blue's Clues backpack and lunch box set includes a 15 inch Blue's Clues school backpack and a Blue's Clues lunch tin with 24 piece puzzle. A great gift for any Blue's Clues fan ages 3 and up. This Blue's Clues backpack for girls is constructed from high quality and durable materials. Features: large compartment; adjustable padded straps; and top loop for hanging. This Blue's Clues school backpack for kids measures approximately 15" x 11" x 4.5". The Blue's Clues lunch box is great for keeping your food at the perfect temperature all day. This officially licensed Blue's Clues backpack is perfect for back to school, travel, birthday parties and more. Includes bonus Blue's Clues stickers, a Beach Kids water bottle, and a Beach Kids castle door hanger.