Killer Kobra Roller Coaster




Posted in PlayKnex

Introduction: Killer Kobra Roller Coaster

About: I'm a 16 year-old guy who loves to build mechanics out of knex. my main interests are ball machines and roller coasters. My real name is Matt and I'm a christian. I live in Australia or more commonly known a...

This is my first tube-supported roller coaster. I had asked people of instructables which elements to choose. This is the layout: Zero-g roll, cutback, hill, and helix. I had to put chain at the end to take the car back to the lift hill.  



    • Spotless Contest

      Spotless Contest
    • Microcontroller Contest

      Microcontroller Contest
    • Space Challenge

      Space Challenge

    We have a be nice policy.
    Please be positive and constructive.




    Thanks! BUt it's NO WHERE near as good as my others.

    Still looks cool, my favourites Diving Eagle! =D

    thanks! Just wait till my next one! ;-)

    Support it! :-) Either with box supports or tubes

    can u send me a list of parts and instructions a.s.a.p thanks

    send to chris

    1 reply

    I took this down MONTHS ago. If any of my creations are slideshows then there isn't a piece count or instructions.

    Grammar lesson. Him is a male person. IT is a thing.
    Can I use IT to. :-)

    Sure why not. I'll never be using that again since I invented my track spine.

    sorry it didnt work :-(

    200th COMMENT!!!!!

    BTW Thanks

    Yeah thanks a lot for that.

    not the best but its a great coaster!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!