Crayola colorstudio hd+
The Crayola Colorstudio HD+ is a big chunky pen designed to work with the ColorStudio HD app available for free from the app store. A number of users complain that the pen isn't responsive enough, and to be honest, from my first attempt, I found that was true as well. The pen takes a single AA battery and has a button at the end. I also thought the switch was faulty as it doesn't 'click' like it looks like it should, (like the click on the pen) however, when it's turned on, the light on the side illuminates, and if you hold it to your ears, you can hear it making a strange electrical sound. To prove you haven't just downloaded the free crayola app to use with your finger, you have to unlock it, using the magic pen. However, this is where you find out how to use the pen. Despite having a lovely round end. It only really registers if it's pretty much perpendicular with the surface of the iPad. You also have to press quite hard for it to register. After loadi...