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JamesX
552
Feb 16, 2016
How many years does the Glow last?
StormTrooper
46
Feb 16, 2016
JamesXI doubt it'll change much over the years, but it needs to be "charged" by light for it to work. I still have toys from 20+ years ago that still glow in the dark.
Synthful
17
Feb 21, 2016
JamesXI think you're thinking about a tritium-based glow versus this phosphorescent method.