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This Instructable will tell you how to make a pen tube cannon.
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Signing UpStep 1Material Gathering
Materials:
Bic-Stic or similar pen tube
Bic Mechanical pen
Rubber band
Tools:
Scissors
Masking tape
Bic-Stic or similar pen tube
Bic Mechanical pen
Rubber band
Tools:
Scissors
Masking tape
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