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

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 ...

Coloring books are a great way to spend your time. It is a good way to settle the nerves and relax! It also develops your brain ... just like eating fish. Draw and Color: Kawaii is a charming 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 ...