Put 2 Gamecubes on top of it, with a fourth on top of them, to hold them on.
Then put 2 more to the sides of the 4th, 2 more on top of those three, and one more on top.
Continue this until the weight finally crushes the bottom Gamecube.
Then put 2 more to the sides of the 4th, 2 more on top of those three, and one more on top.
Continue this until the weight finally crushes the bottom Gamecube.