Seeing as a lot of interest in the challenge has been expressed, the judges and I have decided to host this round now. This round's chosen topic is: Weapons Any weapons are permitted for posting, so long as: -They are functional - all guns must fire. -They are your own design - this means that no modifications of other guns will be accepted. -They are posted between the deadline times. Any posted outside these times will not be accepted. It is also not acceptable to re-post. -They are posted on the site in the form of an Instructable, Slideshow, or Video. The more detailed your submission is, the more likely we are to understand your submission. Please use correct english and annotate where appropriate - we are judging on many criteria! -They only use K'nex pieces, rubber bands (or other means of elastic potential energy storage) string and tape. Cut pieces are permitted, but do take into account that more cut pieces won't get you better marks. We are trying to maximise the potential of K'nex, not mutilate our pieces! Please post your entries at any time from: 12:00 Midday GMT September 1st and no later than: 12:00 Midday GMT October 1st. (Central American Time = 6:00 AM) Entries will not be accepted if they are posted beyond the deadline, no exceptions. To submit your entry, post an Instructable, Slideshow or Video of your weapon, titled "KIC Entry: - " You must post a link to me on this forum topic, or via Private Message. Judging will commence immediately following the final deadline. The top 20 highest-scoring entries will qualify for round 2. Please use this topic for general discussion and submission - no spam please, it makes judging and entry accepting much harder. You have one month. Good luck! List of Entries: Beanieostrich Seleziona Masterdude KnexFreak360 rec0n EDIT: Thanks to a suggestion from TheDunkis and Dj Radio, I am allowing teams to work on a single project in order to share ideas and optimise the weapon.