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 ...

What happens when you draw with the same color but different marker brands? The results can look surprisingly different, and ...

With regular felt pens, users are limited to the colors of the pens in a set. As you might have guessed, though, the Colorpik Pen is different – it can reproduce 16 million colors, which are scanned ...

Do you find the hues in the average box of colored pencils or crayons too limiting? The folks at Scribble feel your pain, which is why they’ve developed the world’s first pen that can replicate 16 ...