This is a great item to use on an LCD projector, document camera, or overhead.
Write your name on top and write group names somewhere on the box (my groups are each of the 7 natural wonders of the world). At the end of job time, my groups get up to 4 points for how well they've done their assigned job. 4- excellent, 3- good job, 2- fairly well done (some things not done to expectation, and 1- whoa! what happened here?