This is a list of fictional items from the DC Comics series Legion of Super-Heroes. A * Anti-lead serum - A serum that Brainiac 5 created to cure Mon-El of his fatal lead weakness. It first appeared in Adventure Comics #305 (1963). F * Legion Flight Ring - Rings worn by Legionnaires which allow them to fly and communicate with each other. * Flying belt - The precursor to the flight ring. After the invention of the flight ring, the Legion give flying belts as consolation prizes to rejected applicants. I * Image Inducer - A gadget used in stealth missions that can project the appearance and scent of aliens. * Inertron - The densest substance in the universe. The walls of the Legion Clubhouse are composed of an inertron alloy. M * Miracle Machine - A machine created by the Controllers that can turn thoughts into reality. It first appeared in Adventure Comics #367 (1968). O * Omnicoms - All-purpose handheld PCs used for scanning, sending messages, and reading, amongst other things. T * Telepathic earplugs - Earplugs that act as universal translators. * Time Bubble - A spherical time machine. * Time Cube - A device similar to the Time Bubble invented by Rond Vidar. * Transuits - Skintight transparent suits which allow the wearer to survive in the vacuum of space. V * Valorium - An alloy of Nth Metal that is used to create the flight rings. * Vote-O-Matic - An electronic voting machine used by the Legion to elect its leaders. It first appeared in Adventure Comics #304 (1963).