Lot of six 8.5x13.5". ©1966 National Periodical Publications Inc. All complete with slate and stylus. Watkins Strathmore Co. #4946 (2) each featuring differing graphics of Batman, Robin and either Batmobile or Batplane. Both Watkins Strathmore magic slates come with stylus held in place by molded balls. Whitman #4448 (3) of differing images showing Batman, Robin, Alfred, Commissioner Gordon, villains The Joker, Mr. Zero, The Penguin, Blockbuster, Catwoman, The Riddler as well as various bat gadgets. Last slate in lot is #4448 manufactured in Australia by John Sands Pty. Ltd. All but 2 have rack holes intact. Varying degrees of wear to die-cut headers, most Fine-Exc. overall. Comprise full set of 1966 magic slates. Full sets are rarely offered. From the Craig Warren Collection.