Found at Meijer on boxes of Fiber One cereal:

Free (up to 2.49) one box Fiber One Toaster Pastries when you buy any combination of 3 Fiber One products: Fiber One cereal, Fiber One Chewy Bars, Yopliat Fiber One Yogurt multipack, Fiber One muffin mix, Fiber One toaster pastries, or FIber One complete pancake mix. Exp 5/31/09