KMart Coupon , Spend $15, get (3) free notebooks This post may contain affiliate links. Please see the full disclosure policy here. Posted on August 4, 2009 Written by Mary Leave a Comment If you haven’t finished your back to school shopping yet, check out KMART’S NEW COUPON! THREE FREE 70-ct Themebooks when you buy school supplies totaling $15 or more excludes backpacks, lunch kits/boxes, electronics, calculators, batteries and computer software.VALID ON IN-STORE PURCHASES ONLY. Limit 3 FREE per transaction.