"PS - I love you" 5-piece 2 5/16" x 2 3/8" x 1/8" wooden puzzle w/ a single imbedded heart in the middle. The heart is painted red on one side. $2.50 - includes magnetic square which you can stick your assembled puzzle to so it can be put on your fridge!

http://www.primepuzzle.com/ps-i-love-you.html