Floating candle dish gardens are available in multiple sizes, so they can be used for almost any event.  Floating candle dish gardens can easily accommodate 2 or 3 inch floating candles.  Another great way to add color to this type of centerpiece is to add fresh flowers or colored rocks to the dish.  Floating candle dish gardens are frequently used for table centerpieces because they are simply beautiful and also very inexpensive.  A little imagination can go a long way with this type of centerpiece.