Everyone gets a square with a quarter circle, this is the end result- could be a good ice breaker beginning of year activity. Each student decorates the square and includes their name. Nice way to decorate the bulletin boards in the beginning of the year!
Building a Classroom Community with a Student Photo Wall - Lessons With Laughter Ideas for modifying this for first grade in the comments. Could fit into 7 Habits, Responsive Classroom, rule making process, hopes and dreams, etc.