Built for durability and versatility.Keep students interested and mix-up the classroom routine with Trebisky Game Buzzer system.Teachers can host math quizzes, test vocabulary words, run spelling bees and more as students use the buzzer buttons to be the first to respond.Each buzzer button lights up, flashes, beeps and buzzes.Includes 8 answer button, a teacher control master console.Only 2 AA batteries are required for operation.(Not included with the product)