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how to make a cool catapult

Step 3Firing:the fun part

Firing:the fun part
Now,put your ping pong ball in the bottle cap.Pull down on the cap.Let go and watch the ball fly.If you are explosively inclined then make a cherry bomb out of a ping pong ball.When the fuse is almost gone then let go.BOOOOMMM!!!!!!!!!!!!!!!Remember to wear safety glasses(unlike the contributor)I once had the misfortune of both the bottle cap and the ping pong ball flying off and hitting me in the eye.Believe me,it hurt.You can modify it to make the balls fly further if you use a longer stick.A shorter stick will make it go up.
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2 comments
Jul 28, 2009. 12:10 PMroboff says:
genious
Feb 18, 2009. 11:10 AMlitledrumdrumbigblack says:
to make it a trip mine you can put weights at the bottom, get a small cork or something tie the cork to a long string and the end to a tree and when som1 trips it will go flying and hit them.

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Author:bylerfamily
I am a rocket and explosive fanatic.I love to make things with the tools in my dads shop.I make rubber band guns,paddle boats,crossbows and many other things.I also love to ride our go-cart.Only thing...
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