An curved arrow pointing right. The Chameleon Pen allows you to draw multiple colour tones, gradations, and blends. It works with a mixing chamber to adjust the colour tone. Once it runs out of it, ...

A couple of years ago, a group of entrepreneurs successfully Kickstarted a little something known as the Chameleon Pen. In a nutshell, it's an art pen that changes color tone as you draw – for example ...