When it comes to a good deal, it's never too early to start thinking about back-to-school. Get a jump start on all the hoopla and save a few bucks while you're at it by shopping the Biggest Backpack Sale Ever over at Toys 'R' Us . Backpacks for boys and girls alike can be found and they all feature cherished characters like the Disney Princesses, Hello Kitty, Angry Birds and other favorites. Plus, purchase any backpack priced $12.99 or more and receive a free lunch kit. Act fast, this sale's ending is unknown.