Classroom B-day idea. or just a great community builder mid-year. This is seriously one of the sweetest ideas. If there is no smartboard in your room maybe you could do it with large bulletin board paper. Then they could keep the kind words.
I love this idea and the fact that there are different sticky notes used! Confessions of a Teaching Junkie: The BEST First Day Ever! I may have to use this for the first day/or back to school after winter break