Bonner Springs’ Moon Marble Company celebrates 20 years in business. Business partners Bruce Breslow and Lynda Sproules consider themselves lucky—every day, they go to work doing what they love. And after two decades in business together, they haven’t lost their marbles! The two of them own Moon Marble Company, located in Bonner Springs near the intersection of Kansas 32 and Kansas 7. The company, which is celebrating its 20th year…