Making an infrared LED light pen (for Wiimote Whiteboard) - YouTube
WiiMote Holder and Whiteboard Pen (Y22YYY9Q2) by EdChamberlain
Source rechargeable pen for Wiimote Interactive Whiteboard on m.alibaba.com
Wiimote Whiteboard IR Saber - Make:
New Interactive Whiteboard for Under $100 using a WiiMote
Rechargeable Pen for Wiimote Interactive Whiteboard IR Pen for School E-Pen with Laser Red Point - China Interactive Whiteboard SKD, Oway Interactive Whiteboard | Made-in-China.com
Ir Pen For Wiimote/ Infrared Pen Pressure Sensitive /infrared Pen For Interactive Whiteboard - Board Game - AliExpress
The infrared pens, Wiimote and Bluetooth dongle | Download Scientific Diagram