10.75x12.75x3.75" deep box has illustrations of "Cosmic Vision Helmet" and spacecraft holding Tom Corbett Space Cadet cast. Practi-Cole Products, Inc. c. 1950s. Box shows obvious wear with 1.5" and 11" tears to front panel at bottom and .75x2.75" area of surface paper lift. Box lid has 2 corner splits but box graphics remain strong. Good. Helmet itself measures 11.5x10" and is made from a thin sheet of plastic and vacuformed accent pieces indicating audio receptors and a vacuform top with Space Cadet symbol and "Space Helmet" text pressed into plastic. Scattered wear and aging to reflective surface of helment and 1.25" split at back right-hand side. Fine. Comes with 3.5x6.5" envelope with assembly instructions/graphics and repeated instruction sheet. Envelope has wear including horizontal crease. VF. Paper N. Mint. Rare.