Step 3: Assembly
Put the 24 oz can bottom in the cup and have the straw come out the side of the cup. The seal between the paper cup and the 24 oz can is not important. The seal between the straw and paper cup is important so be sure to tape it up. Fill the 12 oz can bottom with water, about an inch deep. Put the 12 oz can bottom on the bottom of the paper cup. Make sure its a tight fit so there is no steam leaking. Put a top on top of the cup and tape it up so there is not leaks.