"Flashcubes for cameras. First they blinded you, then they fell out, sizzling and ready to burn the flesh from your fingers if you picked them up too soon."
Great memories
This was the only one that I neither had nor saw
Well, lighting one of these bad boys in a Tesla would most certainly drain the battery dry.
So then I got to explain why the on-hook and off-hook buttons on her smart phone look the way they do.