1952 Popsicle premium ring for Major Mars. The hard plastic ring has three-dimensional rocket-shaped top which instruction sheet describes as w/"Crystal Clear Intensifier Supersonic Whistle, Luminous Astro-Navigation Map, Secret Compartment." The tiny map inside ring top still glows brightly in the dark and shows constellation The Big Dipper plus star "Polaris." Top magnifier lens has pinpoint embedded dirt speck as made but o/w ring is Mint. There are five bw negative images titled "Major Mars (1 plus a duplicate), The Venusians, F80 Shooting Star, Flying Wing." Negatives are Mint. Rarely found complete with film panels.