Jello in a vase and drop flowers in it. Use half the water that jello recipe calls for for more vibrant color. you could use lots of different colors, use lots of stuff to toss in there and use them as centerpieces for any party!
Use golf tees to stake balloons to the ground! Use balloons staked into the ground with golf tees to make a balloon pathway as well. Magical effect-Such a good idea for any type of party or photo shoot!