I used the buzzers for a bible school review class for 2nd through 4th graders. It went off very well. First thing is that I was grateful for the mute on the buzzer noise! That was very important!

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I like that you can lock out the person who has the wrong answer so the others can then answer. Both of those were very helpful! I had looked at other brands of buzzers, but they all had reviews about that one falling apart during use. The Trebisky Buzzer lasted throughout and ready for the next round.