$1/1 Box of Harvestone & $1/1 Box of Crunchmaster Products ($1.68 at Walmart) Posted by Harbor Master on 8 August 2017, 4:11 pm Tweet The Coupons Expire 30 days from print (Print limit is two of each coupon) Click here to print $1 off any One bag or box of Crunchmaster products Click here to print $1 off any One Box of Harvest Stone Products Walmart sells Crunchmaster Multi-Grain Crackers 4.5 oz for $2.68. $1.68 after the $1 off coupon above.