Calling all existing Big Lots BIG Rewards Members! Through October 6th, you can get a Free box of cereal (priced at $3 and under) at your local Big Lots store with the new BIG Rewards offer automatically loaded to Rewards accounts. To redeem, present your Rewards card to the cashier. Single use offer valid on any boxed breakfast cereal $3 and under, for new and existing BIG Rewards members. Offer automatically loaded to BIG Rewards account. To redeem, present BIG Rewards card and coupon to cashier. While supplies last. If you're not already a BIG Rewards Member, click here and sign up for free.