In vertical areas, maximize the textured effect of cobblestones with a stacked mosaic instead of a flat one, like the Cobblestone Beige 3D Stacked Marble Mosaic Tile. This type of tile would be uncomfortable on the floor, but adds visual interest stacked up the wall of a shower.
Seven Spots on the Dog Craft. Could do a different number for each student. 0-20. Each student is assigned a different number of spots.. The number is written on the dog's collar (have to add a simple collar)