Can there be a knex gun that is auto without a motor?

I searched almost every machine guns on 'ibles, and it all includes a motor. Not that I have a motor, but can there be a full-auto knex gun without a motor? Like a cam action?

rickharris4 years ago
Why not look at the many rubber band guns that are posted on You tube for ideas.
kelseymh4 years ago
Yes, of course, just like in real life. Here's a whole bunch of K'nex Gatling guns: