This is a great idea not just for pen pal! Put the puzzle together.write the message.take it apart.mail in sturdy envelope. Small inexpensive Christmas scene puzzles would make great holiday greetings!
You make my heart POP valentine for the spouse/significant other. OR you could offer individual bags of microwave popcorn to your childrens class mates for Valentines with the saying- You make my heart POP!
What Would You Do With It? Wednesday - Baby Food Containers