Here's a really cool pen to check out. It isn't just any normal kind of pen. It's a pen that draws circuits. In an instant! Called the circuit scribe, it is a rollerball pen that uses conductive silver ink.
You can do stuff like this.
![](https://fooyoh.com/files/attach/images/1097/666/810/014/circuit1.jpg)
Or more intricate things like this.
![](https://fooyoh.com/files/attach/images/1097/666/810/014/circuit2.jpg)
You can get it here. Check out the video below: