Materials: Paper, bendy straws, tape, pipe cleaners, bottle tops or buttons (something small and round)
Take a piece of paper and fold the outside edges in to the middle to create a door. Then using the material provided it is your job to create a working latch to keep the door closed. Make sure you are able to re-open the door when you are done!
Once you have your working latch, write a secret message to a friend and send it to them using your door!