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 ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

Why invite readers to interact with her books by taking pen(cil) to paper? The idea originated with Kensington Publishing Creative Director Janice Rossi, after initially considering a line of coloring ...