I might be able to find Joe some slate around here easily. A lot of old homes had slate roofing and they sell the old tiles in antique and farm stores when they replace their roofs. I'm always trying to open his imagination for something new. He wants my rock but he's not getting it.?That’s is really cool... Jayden also loves to paint Rocks... Art is expressive and relaxing no matter what kind.. it is only judged by its own creator.