Electronic Induction Dice

Electronic induction dice are dice cheating devices. It also called induction dice or electronic dice. Just as the name indicates, this magic cheating dice is processed with some mini electronic. You will know the dice number by the ways of vibration. How does the induction dice work? The whole set of electronic induction dices includes the processed cheating dice and a remote vibrator as two key parts. Inside the cheating dice, there are battery and a signal transmitter, while the remote vibrator has a receiver. One vibrator correspond to one cheating dice. Six vibration ways prompt six faces of the dice. For example, a long vibration indicate the face of three, a short vibration indicate the face of four and no vibration indicate the face of six. The accuracy of this induction dice is 100 percent.  When you finish the dice game, turn off the induction dice by putting down the face of 6, for this side is no vibration when it is the face-up after rolling.  Can people see any difference