• LED lamps flash brightly when the coil they are connected to is pulled through the poles of a strong radar magnet.
  • Orient the mark on the handle with the N pole of the magnet, slowly insert the coil between the poles, then pull it out quickly.
  • CAUTION: LEDs emit UV light, stay back from the audience.
                       Keep magnet at least 1/2 m away from ALL other ferromagnetic materials.