Radioactive medicine sensor device, used for guessing like a coin facing up or down. You can apply the medicine onto the coin, cover the cover and the sensor device will know if the coin face up or down.
      You can also use it for dice, wood, plastic gambling tools... signal out: shake.
       
   Package details:
           radioactive medicine sensor device set : 1 set

   Made in China
          
   This device is widely used for private poker party, party gamble, casino, poker match, magic show.