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
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