Need Teen Sleepover Birthday Party Games

Im having one also and i asked them all to bring a torch. We are going to play treasure hunt in the dark.
I made up about 7 sets of clues that were related around the house and the surrounding area. I would then put the next clue at that destination. Everyone plays together. They have to work out where it is the clues are leading to .
At the end they work out The treasure is in the letter box. Here is an example of the last clue that led them there.
If your feeling tired, just remain inspired.
Soon it will be clear that the end is almost here.
There is a key that opens a box, it is discovered inside a sock.
Dont waste time reading this rhyme, walk toward me in the nick of tie.
The garbage man laughed and turned bright red
Thinking he`d rather be home in bed.
Write promptly to me and send if you dare,
Two males make a pair, as if you`d care
L is the letter that stands for love,Thank lucky stars that hover above.

The answer : Key under the red bin in a sock to unlock the mail box that conceals the treasures. Everyone gets to pick a lucky dip (wrapped) from the letterbox.
I hope this will hope and that its not too late for your party.