Introduction: 2 Liter Bottle Grenade Launcher

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this will not shoot unless you twist your body to your left, get your mouth on the mouthpiece, and whip your body strait forward again and blow at the same time.

Step 1: Supplies

you will need:
tape,
scissors,
one 2 liter bottle(take the cap off and throw it out),
and 2 pieces paper(regular or cunstruction).

Step 2: Cutting the Bottle and Putting in the Mouthpiece

cut the bottom of the bottle so you can reach your hand in their. then, take the sheet of paper and roll it shortways. then tape it. now put the mouthpiece (the rolled up sheet of paper) into the place where the cap used to be.

Step 3: The Grenade

roll a piece of paper up and tape it. then, cut a quarter of the paper and use it as the grenade. then, take some of the scrap paper and make a miniature square or circle and tape it on one of the sides so you could stick that piece into the hole inside the mouthpiece that is inside the bottle. make sure you use the tip that i posted at the beginning of this instructable of how to shoot the grenade.