You can find colorful assortments of Christmas tree balls at almost every home center, hobby shop, discount store, or drug store. Collect lots of one color or use a rainbow of colors for the easiest, simplest Christmas centerpiece ever.Gather different sizes of or ornaments or buy a box of all one size, whatever you need to fit your clear bowl, candle hurricane lamp, ceramic vase, or seasonal basket.Mix different size balls to fit any bowl, glass hurricane, basket, or vase.