favorite candy, cds or other small items would be a good treasure. make up a set of clues for each teenager. each clue will lead to another one and the last clue will lead to the treasure. have fun with the clues. you can write riddles, clues that rhyme, clues that tickle the funny bone -- get creative here. write them on slips of paper and tuck them into plastic easter eggs. hide the treasure and eggs in advance. give teens the egg with the first clue inside and send them on their way.
depending on where you live, it might be warm enough to have a pool hunt. in advance, 