Pal

https://en.wikipedia.org/wiki/Pen_pal

inter
http://www.interpals.net/

Net
http://www.penpalpenpal.net/

World
http://www.penpalworld.com/

Now
http://penpalsnow.com/

School
https://penpalschools.com/

Top
http://lifestyle.allwomenstalk.com/best-sites-to-find-your-pen-pal-to-write-to

Tube
https://www.youtube.com/results?search_query=penpal

Slides
http://www.slideshare.net/search/slideshow?searchfrom=header&q=penpal