1947 Radioactive Kix Cereal Premium Atomic Bomb toy ring! This ring is a tiny spinthariscope that would allow you to see the flashes caused by polonium alpha particles hitting a screen of zinc sulfide. All you had to do was take off the red cap in a dark room and watch the show! “SEE GENUINE ATOMS SPLIT TO SMITHEREERS!” The box reads! The slip of paper that came with the ring tell you it is “PERFECTLY SAFE- The atomic materials inside the ring are harmless!” ☢️ This “Aromic Bomb” ring could’ve b