Krypton is a noble gas that prefers to stand on its own and rarely plays with others. When stimulated with electricity, this natural element glows brightly and reliably.
From lightsabers to kryptonite, Kryptonâ€™s unique green spectra have inspired many pop culture and sci-fi favorites, including our own Krypton Glow Thinking Putty ®! White by day, this putty glows the signature green in the dark. Large 4" tin