Piaget said that play is the work of children. Why make them quit when you can use WHAT they play and HOW they play, in class? Putting puzzles together is a big part of Childhood Development tools. Look at a page of Sentence Fill-In’s, and if you don’t see a puzzle with words to put in empty spaces, instead of picture pieces, you’ve become too much of an expert to remember how things looked before you were one. Safe bet, you haven’t, and see it right away. Let the students see for themselve