Hand-written letters are the best thing in the world to receive

So I really want to start pen-pals with my students. Any teacher friends want in??? I'm hoping to match 2 8th grade classes and 1 7th grade class, but I am not sure if I can find enough willing teachers! If you have any suggestions, please tell. Also, if you want a 13-year old pen-pal, you let me know about that too.