Educational Insights Eggspert Quickly and easily transform classroom review sessions into an interactive quiz-off! Two ways to play! Students race to press their buzzers in "Quiz Show" mode or Wireless Eggspert chooses a student at random in "Scrambled Eggs" mode. Engages students by making review sessions and quizzes fun and interactive! Includes Eggspert, 6 student buttons, teacher control button, and guide. Unit requires 4 AA batteries or AC adapter (sold separately). Batteries not included.