Rare: $2.50 in Savings on Post Cereals: Pebbles, Honeycomb, Malt-O-Meal, Great Grains, Honey Bunches of Oats ($.50 a box at the Dollar Tree!) Posted by Port Authority on 1 October 2017, 8:29 pm Tweet The Coupons expire 10/31/17, The print limit is two of each coupon Click here to print a coupon for $0.50 off ONE Post Great Grains cereal (any flavor) Click here to print a coupon for $0.50 off ONE Post Honey Bunches of Oats cereal(any flavor, 13 oz or larger) Click here to print a coupon for $0.50 off any ONE Post Honeycomb cereal (any flavor, 13 oz or larger) Click here to print a coupon for $0.50 off ONE Post Malt-O-Meal bag cereal (any flavor, 18 oz or larger) Click here to print a coupon for $0.50 off ONE Post PEBBLES cereal(any variety, 11 oz or larger) The Dollar Tree sells Post Honeycomb Cereal. $.50 a box after the coupon above!