WARNING- This can really hurt someone. Do not aim at eyes or any other person/animal(s). This was made for recreation and the fun of inventing.
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Signing UpStep 1Materials:
1. A tube 5mm in diameter and a little less that 2 inches long.
2. 4 rubber bands.
3. Optional- a tube 1-2mm in diameter and 2 cm in length as viewfinder.
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