Knex Firework/marble Launcher

Introduction: Knex Firework/marble Launcher

Small Yet simple and powerful knex firework or marble launcher. WARNING: I am not responsible for any one that gets hurt while using this launcher!

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: Pieces

first you need,

9 yellow rods
1 white connecter
a rubber band
1 red rod
1 end gray piece
8 orange connecters

Step 2: Connecting

first take 8 yellow rods and connect them to the white connecter.

Step 3: Connecting2

Then take the 8 orange connecters and connect them to the ends of the yellow pieces.

Step 4: Building the Ram

to build the ram you need the rubber band, red peice, gray piece, and the last yellow rod.
Put the connecter on the red piece then slide the rubber band through it. Next put the yellow rod through the end of the gray piece.

Step 5: Putting It Togehter

put the ram into the hole of the white connecter. Then slide the rubber band around each side of the orange pieces, and over the yellow ones connected to it.

Step 6: Aim, Fire!

then pull back the yellow piece of the ram, load the firework or marble, and fire!

Be the First to Share

    Recommendations

    • Toys and Games Challenge

      Toys and Games Challenge
    • Backyard Contest

      Backyard Contest
    • Silly Hats Speed Challenge

      Silly Hats Speed Challenge

    12 Discussions

    0
    rares21
    rares21

    10 years ago on Step 6

    hey    !!!!!! >_<   but from where did ya got that pieces?!!????????

    0
    tyty100
    tyty100

    11 years ago on Introduction

    kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

    0
    Cartuner55
    Cartuner55

    12 years ago on Step 6

    you could probably attach a punk to this and put one of the sparkler ball things inside. then b4 u fire rotate the fuse to the punk and launch!!!

    0
    mamoo
    mamoo

    12 years ago on Step 6

    Are there anything else you can put in the barrel for ammo?

    0
    fawnwoodman
    fawnwoodman

    12 years ago on Step 6

    wow I like the fire work thing its pretty cool make something ells please

    0
    crazykilla
    crazykilla

    12 years ago on Introduction

    not bad but i have a marble gun that wont let the marble roll out and it has a pump acion mag and it shoots 20 -30 ft im posting it soon heres my old version of it the 1 im posting is marble gun v.2

    C:\Documents and Settings\Ian Bray\My Documents\Daniel\CIMG0149.JPG
    0
    iKill
    iKill

    12 years ago on Introduction

    i made this and tested it with a firecracker, i just shot it at a wall and it workeed perfect... i also shot it threw a car windows that was driving by... it was really messed up thing to do i know... but it was hilarious

    0
    Shadow64
    Shadow64

    12 years ago on Introduction

    Cool laucher but i dont think that any body will try this with a firework tho BTW did you try it with a firework?! First comment yay