Knex Strong Monney Box




About: my 1st comment=12marjnS12 my 10th comment=Odin6616 my 100th comment=brentbrent my 200th comment=knex gun builder my 250th comment=mettaurlover my 300th comment=shadowman39 my 350th comment=KelseYmh my 400th...

this is my knex strong monney box. i built this because i needed somwhere to put lots of change i have. it is realy strong and has a secret way of opening it. it can hold alot of coins but it may be hard to pull paper monney out. i think this is the first knex monney box on the whole of the internet (again)!!! if people have trouble working out how to open it i will add a video (i will make it smaller this time). have fun building.  :)

wow i got 47 views and 2 ratings and 4 comments in 2:30 hours on this 1 instructable!!!

i have done some small changes to it making it stronger and allowing you to use paper monney and it has a small hole to put coins in through but some times the coins can fall out. should i post it as a update???

lol i edited it a bit more and now it is a one-way monney box!!! seriously i cant get it open!


Step 1: Piece Count

this uses a hell of alot of blue rods and red connectors so get the following pieces ready...

4 yellow rods                     ha this uses no pieces at all...

43 blue rods                       thats not so bad...

92 red connectors             i retake my last 2 statments...

Step 2: Build All of This Stuff

just build the stuff.

Step 3: Add Rods Where Shown

add rods where shown.

Step 4: Assembly

do as the pictures say and your done

Step 5: Opening and Closing

this part may be hard to understand.



    • Classroom Science Contest

      Classroom Science Contest
    • Gardening Contest

      Gardening Contest
    • IoT Challenge

      IoT Challenge

    56 Discussions


    2 years ago

    It was very hard on my hands. When I was done I had blisters all over my hands.


    6 years ago on Introduction

    This is awesome!!!!!!!!!!!!!! I have hardley any reds so I had to use green and yellow connectors:( and it was made wiht only blue rods no yellows. Bus still awesome.


    6 years ago on Introduction

    i made it a year ago and it sits on my self and check this one i made also a comparison


    8 years ago on Introduction

    i dont know how i got the imposible square but it was an acident