GAME BUZZERS FOR CLASSROOM: Extend the fun of Wireless Eggspert to six more students with this set of extra game show buzzers; use for group quizzes, jeopardy-style games, and interactive learning fun MUST-HAVE TRIVIA BUZZERS: The Wireless Eggspert game system is a great resource that encourages active participation in groups and quick recall in classrooms and homeschools with kids of all ages ENCOURAGE TEAM PLAY: This set increases the number of students who can buzz in during Eggspert's "Quiz Show" mode, making original Eggspert perfect for scholastic competitions and review ELECTRONIC GAME BUZZER SET INCLUDES: Six additional wireless student buttons compatible with Wireless Eggspert (sold separately); each button requires 2 AAA batteries (not included) Visit the Educational Insights brand store link above for more electronic learning systems, teacher must-haves, classroom resources, and quiz accessories for elementary school and beyond