Circuit Scribe Non-Toxic Conductive Silver Ink Pen – Award Winning Design That Makes Creating Circuits and Switche

Non-toxic, silver conductive ink pen - Write on any surface your regular rollerball pen will!
Pen only - 1x silver conductive ink pen that can draw 60-200 meters (depends on paper and surface type)
Resistance is 0.05-0.2ohms/sq/mil (2-10ohms per cm of writing)
The most successful conductive ink pen - funded on Kickstarter by over 12,000 backers!