The Wii isn't that huge to start with. You also have to figure the Wii unit houses full optical drive as well. https://www.ifixit.com/Teardown/Nintendo+Wii+Tea

The Wii isn't that huge to start with. You also have to figure the Wii unit houses full optical drive as well. https://www.ifixit.com/Teardown/Nintendo+Wii+Teardown/812 https://www.ifixit.com/Teardown/Nintendo+Wii+Teardown/812 https://guide-images.cdn.ifixit.com/igi/ewv3yZPOujCRpKEj.huge https://guide-images.cdn.ifixit.com/igi/ewv3yZPOujCRpKEj.hug... That's it. And they didn't include the controller ports and other bits. For instance, I don't think it has Bluetooth or WiFi antennas, so it can't connect to Wiimotes or a network. So if you wanted all of that back, it would be a little bigger. But not by much. Probably the size of the Game Boy Advance in the picture. If that. But if all you wanted was Smash Bros on a keychain, here you go.