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This is an air pressure gun which I made from some junk which was kept in my house and was useless . it would approximately cost about 100 rupees or 1.68 us dollar. It is very simple to make.

Step 1: Materials

First collect these materials
A bottle
A pin
A water valve
Pipe

Step 2: Putting the Pin in the Bottle

Make a hole in the bottle and put the pin it and then use a hot glue gun to fix it

Step 3:

Take the pipe and connect it to the valve

Step 4:

The last step is to connect the bottle to the other end of the valve

Step 5:

It's ready
You spelled "pressure" wrong on the title.
<p>nice</p>
<p>to make it work close the valve and then pump the air in it then stuff something in the pipe then open the valve to release the air then the stuffed air will be shot out</p>
<p>Nice, you should post a video! How far does it shoot?</p>

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