Kenneth Marx's bright idea to turn recycled spark-plugs into chess sets is finally paying off. After having the light-bulb moment while working at a gas station four decades ago, the retiree from ...

During his college years, Kenneth Marx of Helena, Montana worked at a gas station. That's where he started making chess pieces out of discarded spark plugs. ''I thought that there’s got to be ...

When Kenneth Marx rekindled his passion for making chess sets out of discarded sparkplugs after taking 40 years off, he was surprised to see no one else had thought of it.