In order to make a Weight Bench Cake, you will need the following: rice krispy treats, fondant, weights, a weight bench, butter cream icing, sheet cakes, weights, and plywood. In advance, you will either need to prepare or purchase Rice Krispy treats and 2 1/2 sheet, sheet cakes. You will also need to prepare a lot of butter cream icing. Spread fondant over a plumbing pipe. Allow it to dry for 5 days. Airbrush it and the weights. Cover the rice krispy treats with fondant. Then, after they are dry, cover them with icing. Cover sheetcakes with fondant. Place them on the base. Airbrush them.