Learn a little more about this trusty material: Plasti Dip is an air-dry, specialty rubber coating. In fact, it's the original peelable, flexible, insulating, non-slip, durable rubber coating. When choosing a rock, opt for one that is oblong in shape plus smooth and flat on the bottom. (That way, it is all the more less likely to topple over or scratch the floor.)
For more ideas, scroll through our entire collection of rock crafts and decorating ideas.