Also on these boards
Fun!! Bouncy Balls from Oriental Trading.. Free Printable from this site.. = cheap, quick, easy valentine for a class full of preschoolers! AND it is NOT candy!
My Kindergarten teacher gave us potatoes and we carved hearts in them, tempra paint and wit dipped our hearts in them and then she did this on manilla envelopes, at the end of the day we took home all of our valentine cards in the envelope she carefully sealed with the little strings!.
Sweet Spot Hearts Snip candy hearts for an entire class in a snap. To make, cut a heart from a strip of candy dots, and glue it to a piece of construction paper. With scalloping scissors, cut construction paper to create a border around the heart.
Valentine friendship bracelets. I would do something different for the center...I don't know if I could see many kids actually wearing them with the giant circle card on them...but the idea in general is fun.