Rare Luminous Gases Element Collection, 99.999% Purity, Including Helium, Neon, Argon, Krypton, Xenon, Nitrogen, Oxygen, Carbon Dioxide, Air, for Collection, Display, Teaching, Gift, Pack of 9

Set of 5 gases (including: helium, neon, argon, krypton, xenon) Set of 6 gases (including: helium, neon, argon, krypton, xenon, nitrogen) Set of 9 gases (including: helium, neon, argon, krypton, xenon, nitrogen, oxygen, carbon dioxide, air) Note: packages do not include activation devices Can be purchased separately ion ball, Tesla coil Rare Luminous Gases Element Collection, 99.999% Purity