Valentine's Day card exchanges are a rite of passage in preschool and elementary school. Homeschool groups, scout troops and religious education classes often exchange cards, too. Here are free printable DIY valentines to share. These free printable valentines come courtesy of Family Fun magazine. What's more fun than Valentine's Day card exchanges? Making your own valentine's that look completely different than everyone else's! Free Printable Valentine's Day Card Crafts for Children