With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Take a pen like the one shown
Unscrew top a little bit or off
Make sure the top is screwed on but not tight and like the second picture on the last step
If it does not shoot unscrew the top more
Ballistic Knife From Office Suppliesby alexf1
Paperclip Crossbowby Chikpeas Brother
Office Supply Catapult, Goes 35 feet!!!by weredude
How to Enter the Instructables Office Supplies Challengeby Contest Robot
Join 2 million + to receive instant inspiration in your inbox.
Download our apps!
© 2015 Autodesk, Inc.