You can get some pretty neat replica lightsabers from the Disney store right now – they have Kylo Ren’s red one, with the crossguard and cool sound effects. But the blade’s plastic.
YouTube user Sufficiently Advanced was not satisfied with that and used science – plus methanone, acetol and butane – to create his own lightsaber with a blade actually made out of flame. He used it to kill some Stormtroopers – and Jar Jar Binks, of course.
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