Non-Alcoholic-Drinks

What are some good recipes for virgin(non-alcoholic drinks)?

Im having a party (turning 14) and its a house party and theres goin to be strobe lights and/or a blacklight any ideas of drinks that are easy to make for a lot of pple that can sit on a table (so they can get it when there ready w/o having some1 make and serve) that wont go bad or anything? (preferably no hot drinks)