5-5/8x8x1.75". 10 oz. size empty cereal box has batsymbol with "Boys! Girls! Get Your Own Exciting Batman Printing Set (See Package Back)" text on front panel. Back of box features full-panel advertisement for "Batman Stampets Printing Set" with large "Batman" comic book logo and image of Robin with word balloon reading "Great Stampers, Kids! Make Cartoons 'N Stamp Your Letters 'N Books With Pictures Of Batman, Me (Robin the Boy Wonder), Our Batmobile And Batman's Evil Enemies!" As with Frosted Flakes box, #2219, stamp set is featured alongside bw image of Batman stamp. Printing set was obtained with boxtop from Raisin Bran or Frosted Flakes and 25¢. Box has been opened and emptied. Scattered age spotting to top panel and front. Box still displays Exc. and is photo example from Scott Bruce book. Retail box. Displays well. Comes with original chipboard mailer with "Batman Print Set" return address label. Mailer measures 2.75x4-7/8x.75" deep and contains complete and unused premium. Box shows typical wear from mailing and is VF/Exc. Plastic injection stamp set in plastic case with felt ink pad remains unused, plastic "Stampets" are unseparated and unused. These are rarely seen not separated. Boxes are never seen and are very rare. Essentially Mint and comes with 2 sets of instructions that show wear. "Stampets" feature nice images of Batman, Robin, Joker, Riddler, Penguin and the Batmobile. c. 1966. From the Craig Warren Collection.