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How to make a Neon Sign - Please don't cut this open!

WhatsInside and I have been friends for a very long time. I think they'll enjoy this late Christmas Present; a light up neon sign with the WhatsInside logo. Custom made by shaping glass with fire, and injecting glowing gas into glass tubes. Its a crazy complex science that not many people get to see. Huge thanks to Rainbow Neon Sign for letting us see how its made!