Here is a cool toy that lets you practice your guitar skills wherever you are. The FretPen is a pen with a one string guitar that allows you to play through your iOS device. The device has a D-pad on its base to allow you to play music easily.
The FretPen does not replace a real guitar. But it does seem like a fun toy. As you can see from the video, the app has multiple modes, so you can play guitar just how you like it. Want this product? I do too, but we have to wait till April 22 for the Kickstarter launch.[via]