Sparky is a project on Kickstarter for a battery-powered fire starter. Sparky is powered by two AAA batteries, and has a solid copper conductor tip which will ignite steel wool upon contact.
www.kickstarter.com/projects/179537728/sparky-a-fire-starter
Tags: Kickstarter
$30? Or I could buy a 9 volt battery for $3 and do the same thing. Or you could buy any number of more reliable devices for less than half the price.