ummmmmmmm i need help here
Knex Innovation http://knexinnovation.net/The Knex Forumhttp://www.knexforum.com/
You forget instructables.
Knex on Instructables is obvious, though.
obviously here on instructablesorhttp://www.lmgtfy.com/?q=knex+weapons+OR+weaponry+OR+stuff
Haha, beat me to it!
lol... i really have to wonder sometimes... why people bother asking a question when it would take the same or less effort to google it themselves.
And something similar on Google, Yahoo etc. would get similar results.