21 Uses for Coffee Grounds.Ant Repellent- sprinkle old grounds around the perimeter of your home (outside) to deter ants. I am placing grounds around my outside hummingbird feeders, can't hurt to try and it is a good way to recycle the grounds.
Fertilizing Plants With Coffee Grounds and Eggshells
Spray paint coffee beans and use as a vase filler. Spray paint coffee beans for vases. Pretty sure spray painting glass pebbles from the dollar store or even rocks will be allot less expensive since coffee is only bought by kings now.