google map envelopes. so simple and easy. Use the directions feature to put a blue line between the TO and the FROM.
i'm going to address everything like this :)
Fun mail for kids -- send boxes of candy through the mail. If they're under 13 oz. you can slap a stamp on them and put them in the mailbox! How fun would it be to see this in your mailbox?
send a plastic bottle full of goodies
send a ball
send a frisbee
postcard birthday poster
send someone a box full of sunshine
pen pal kit