Two boys were in a Kroger, buying ingredients for a lemonade stand with one of their mom’s cards—when the card unexpectedly failed in the checkout. Thanks to a kind stranger, though, they walked out with all the supplies they needed. The two Michigan friends from Allen Park, Chris Kilburg-Leis, 11, and Dennis Hougas, 12, rode their bikes to the store in Lincoln Park. Chris’s mom, Michelle, 45, an admin assistant, was working from home at the time. “I got a phone call from Chris asking me what my Kroger card number is,” Michelle told The Epoch Times. “I was shocked as to why he wanted that number, because the card is only for coupons I can download on the app.” She reeled off the card number over the phone, but got disconnected before finishing. “I remember getting off the phone and thinking, ‘How does he know about my Kroger card and how …