I like this centerpiece idea...you could have each level be slightly different--pearls/rhinestones, flowers, candles, etc. DIY Wedding Centerpieces | DIY Wedding Decorations - wedding centerpieces and ideas
Water Gelatin with Blue Confetti and Floating Candles centerpiece. YES! EXACTLY! Do this with royal blue & bright green confetti, a few more pieces than the picture, and silver sparkles at the base instead of those confetti petals.