Korin ~ I shopped for the smooth pebbles in a craft store. They have a large variation of sizes and shapes. I selected the ones that were brown/white/beige in color and flat in shape as that most resembled my childhood memories. But the stones can come in various colors and other shapes as well too. Sometimes I fill up my bathtub about an inch and put them around in the tub and sit on a footstool and just let the feeling of the coolness and the stones relax me. I feel my stress level coming way down. Hope you find this helps you as well