DBZ to include extra peripheral?

Of the latest scans for the DBZ game on the Wii, a weird yellow box is shown. Next to the box, little plastic clips that attach to the player's index fingers are also shown. Now, it's fairly obvious that this is so that the player may toss fireballs in the game by going through the motions in reality and the box is designed to sit atop the television, but why would such a large box be needed in conjunction with the clips. Couldn't they just be made to work with the sensor bar? Or is this the first sign of some startling truths delivered via the rumor train? Also, where is the Wiimote? It's nowhere to be seen!

Any readers want to take a stab at translating the text surrounding the image in question?