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Picture of How to make the best mechanical pencil gun
I made this last year in 6th grade. I got the idea from my friends and then modified it. I had one of the best guns.

steps:
1. the materials
2. dissasembling the pencil
3. inserting the spring
4. reassembling the gun
5. bullets
6. shooting (I really think that it is self explained)
 
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Step 1: Materials

Picture of materials
materials
1. at least 1 paper mate .7 size mechanical pencil
2. a pen with a good spring
3. bic .9 size erasers usually comes with lead refills
4.a pencil grip (optional)

Step 2: Disassembling the pencil

Picture of disassembling the pencil
this is simple:
Unscrew the tip. Doing this will also loosen the rest take this off. if there is any more lead take it out. the inside is made of three parts: the darker part with eraser on it, the part that holds the lead, and the other end that screws into the black tip---pull this off it may take a while but it will work.

Step 3: Inserting the spring

Picture of inserting the spring
pencil11.jpg

finding a spring is the most important part. i test my spring by pressing the pen button down on the counter and then letting pop up. the one that jumps the highest wins. take the spring out and insert it in the clear part of the one end i had you remove in the last step. if it doesn't fit find a new  one make sure that it's tight and won't fly out when you shoot.

Step 4: Reassembling

Picture of reassembling
pencil14.jpg
take the spring part you made in the last step and glue or tape it to the part that holds the lead.then place it back into the shaft or whatever you call it. make sure it slide around pretty smoothly or it may not fly as well.

Step 5: Bullets

Picture of bullets

i use the bic erasers for this step. you can customize them for different situations. i colored one red so you could see it on a white floor. other erasers could work though.

kkeck4 years ago
I followed all your instructions but it does not work.
ATOMIKMONKEY (author)  kkeck4 years ago
in what way
knexjay4 years ago
r u in 7th grade??????
ATOMIKMONKEY (author)  knexjay4 years ago
Now I'm in 8th grade
ninja_maker4 years ago
will the spring fly out with the eraser
ATOMIKMONKEY (author)  ninja_maker4 years ago
no the spring is glued or taped to the shaft part.