LED Message Pen: Cross-Classroom Messaging, 21st Century Style?
Remember the LED message wand? Brando's now got a miniaturized version that fits in the top of a ballpoint pen, and can display messages up to 20 characters in length. Perfect for covert cross-classroom messaging? As long as the teacher doesn't spot the flash of a red LED across the room. Available now for $15
Source: gizmodo.comAdded: 21 May 2008