Kids' backpacks drop from $40 to $19.99 to $14.99 after you add code PREVIEW during checkout at Macys.com. Shipping is free when you spend $75, otherwise it starts at $9.95. You can also pick up your online order at your local store to avoid a shipping fee, if available in your area. Choose from over 25 backpacks and sets, including the pictured Avengers 5pc Backpack and Lunch Kit Set. This is the best price we found by $8 shipped. Also check out this L.O.L. Surprise 3pc Backpack Set, which you can get for the best price we found by $5. Sales tax is charged in most states.