Quantity   Component name
1 × Wii Balance Board A standard unmodified Wii Balance Board that you can get second hand for around £15. The modern day pornbrokers are a good place to find them as delivery from ebay can but costly.
1 × A laptop or netbook computer with Bluetooth and sound. This just needs to run a basic Linux distro. It is running on a 2GB netbook with Lubuntu fine.