A Little Sun Gem

I tiptoed past the open garden gate and stepped out along the neighborhood sidewalk. The world felt so vast and quiet out here... Right along the rim of a low brick planter, a smooth green glass marble was resting in a seam of dry moss. I paused, tilting my head to see if it was keeping balance. Taking two quiet steps forward, I gave the glassy curve a gentle nudge with my front paw. It wobbled and rolled an inch forward with a soft click, catching the bright morning light until a glowing emerald pool danced across the stone. Did the sidewalk leave a secret sun gem just for me?