Learn about different culture
Delayed gratification- you have to wait to get a response
Teaches responsibility- responding in a timely manner
Promotes empathy- helps to see things from another perspective
Networking- many start out as pen-pals and later meet
Improves communication skills
Learn geography- my kids look up the country/state their mail comes from
Learn phrases in foreign languages- the internet even teaches us how to say them
Increases curiosity- Sabrina was curious about a picture on a postcard so we looked up opossums and learned a lot from YouTube.
Alex and Sabrina have become pen-pals with several of their far-flung relatives, friends who moved, and even a friends' adult son. They also receive and send postcards from postcrossing (though not as pen-pals). To them it is simply fun; they do not realize that it is also an educational part of their homeschool.