Any age of kids love to draw. This is an easy way to keep your kids busy as they come into your classroom as well as review past lessons. Put a big piece of bulletin board paper on your wall. As the students come in, give each one a different part of the lesson. They are in charge of drawing any aspect of that lesson they choose. They work on it until the bell rings. Then each student gets to talk about their part of the mural they drew to review our past lessons. This would be great to hang out in the hall afterwards for all to see!