It is not suitable for use on the skin Do not use your own skin as a circuit The conductive paint pen will quickly dry off on to form a conductive metal film , so as to generate a circuit diagram Once an electronic circuit is formed , the LED light on can be illuminated Strong conductivity , strong adhesion , stable performance and simple Suitable for physics teaching , circuit design , circuit wiring , circuit experiment , card The conductive paint pen is mainly composed of silver conductive copper mixed powder and powder , which has good conductivity, Manufacturer: Watreketal