Horton Timer-Picker Description:

The Timer-Picker combines a countdown clock and a picking mechanism that can randomly select from a list of people or teams. You can use it to:
Display remaining time for meeting and classroom activities.
Allocate time for discussion and other activities.
Time activities and breaks.
Pick people at random to participate or answer questions.
Pick teams at random.
Save rosters and reloads them again--a great feature is you conduct multiple meetings or classes.
The end result of using the Horton Timer-Picker is better use of meeting and classroom time, fuller participation, and fairness to all participants.