Knex Cobra Swarm Roller Coaster

This is a roller coaster that i made and it is based on a cobra roll and two inline twists. And sorry if the video is a bit dodgy.

Teacher Notes

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

Be the First to Share


    • Book Character Costume Challenge

      Book Character Costume Challenge
    • Made with Math Contest

      Made with Math Contest
    • Cardboard Speed Challenge

      Cardboard Speed Challenge

    8 Discussions