How to Make a Knex Balistic Knife

2,773

13

Published

Introduction: How to Make a Knex Balistic Knife

this is a instructable which will take about 5 minutes to build a knex balistic knife. 

Step 1: Step 1: the Chamber of the Knife

pic 1: build this

pic 2: add the red rod and red conector with white rod attached

pic 3: another view

pic 4: build this

pic 5: insert through middle hole

pic 6: add elastic band

Step 2: Step 2: the Knife

pic 1: build this

pic 2: insert through middle hole

Step 3: Have Fun With This

now go have fun and any moddifications please post to me i would also like to know what you think of the knife thanks for looking at this tutorial :D please dont put on bad comments it is my first instructable        :D

Share

    Recommendations

    • Backpack Challenge

      Backpack Challenge
    • Clocks Contest

      Clocks Contest
    • Game Life Contest

      Game Life Contest

    13 Discussions

    i have a better knex ballistic knife
    https://www.instructables.com/id/Knex-Ballistic-Knife-My-first-instructable/

    0401111444.jpg

    You should try this:https://www.instructables.com/id/Blade-firing-K-nex-knife/

    if you replaced the grey rod with a black one it would stop the firing rod bending as much when you have 3+ strong bands on it

    1 reply

    it only took me like 5 minutes to come up with but if you have any improvements please post

    there is nothing wrong with block triggers andi can get about 20 ft but thats only because ihave 1 elesticbandif you puton more you could reach a high amount of power