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 ...