The conductive paint pen is mainly composed of silver conductive copper mixed powder and powder, which has good conductivity 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 Suitable for physics teaching, circuit design, circuit wiring, circuit experiment, card Strong conductivity, strong adhesion, stable performance and simple, Manufacturer: HDOYTXXM