Page 1 Page 2. Searching for garden decoration ideas? Here is a great one for you. Rolling on a thin cushion of water, these marble balls or granite balls, for which this type of ball fountain is called floating sphere, weigh between 200 pounds to 800lbs depending on the size. Garden decoration Ideas Factory Direct Marble Balls Stone Please note: You are currently browsing img granite balls,marble balls that is 1024x764px in size. This image is listed in stone balls garden decoration category. Garden decoration Ideas Factory Direct Marble Balls Stone, 1024x764 in 580.58 KB.