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X-ray Tube
Se video demo
Show a metal tube and 6 plastic cylinders, each in a different color. Turn your back on the audience and ask a spectator to choose a cylinder, to put it in the tube and to close it with its top. After the spectator gives you back the closed tube, without any doubt, you reveal the color of the chosen cylinder which is inside the tube.
• Pocket size and immediately repeatable.
• All can be given for examination. No forcing occurs. The color is freely chosen.
• When closed, the tube is cm 6 tall (about in. 2,4).
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