You can sign up to get a free box of Great Grains cereal on Facebook right now. Just like the Great Grains Facebook page. Then click on the “Watch it Grow” link on the left hand side. Choose to watch a sheaf of grain grow. During the process you will need to allow the App to have access to your account. Once all 15,000 Sheaves have been claimed the freebie will be unlocked and mailed to you.