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

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    13 Discussions

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

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    skyfaller

    8 years ago on Introduction

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

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    logitech537

    8 years ago on Introduction

    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
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    boxing mag3~KGB~

    Reply 8 years ago on Introduction

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

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    boxing mag3~KGB~

    Reply 8 years ago on Introduction

    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