Might be a good way to start the year (especially if you have a lot of new students). I would allow students to pick some maybe) that they are willing to have shared. Then you could use it as an ice breaker also ~ Nice prompts for back to school.
Another good icebreaker to play on the first day of school. You skittles to ask questions. This allows the teacher to know her students and students to know their peers. Creates a positive environment in the classroom starting