Conductive ink pen helps you to come out with the stroke of a circuit diagram that can conduct electricity, so that if everything will become more wonderful and funny, as  you have already been tired of the traditional way about drawing a circuit diagram and want to try some new things. It uses autonomic modulation paint named Buddy, the main ingredient is silver conductive copper mixed powder and nickel powder, it can conduct electricity in two or three minutes after air-dried. With its superior performance, you can do more simple or complex electronic production.