Required Items
Nintendo "WiiMote" -- Available at any retail store that stocks video games.Bluetooth Radio -- Available at retail electronics stores. For online shopping, I recommend Newegg.IR Pen -- You can build these yourself if you're handy with a soldering iron. I buy mine from WiiTeachers.com.
Support
The most helpful resource available is the Wiimote Project. This website contains information about getting started, tutorials, and software downloads.
I am more than willing to help anyone get this system functional in the classroom. Let me know if you run into trouble, and I can try to help you out before or after school on day. My planning period is 1st, so I may even be ble to help with some troubleshooting during Channel One.