With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Hello , This is a special K'nex dragster that moves...You will need the special green motor that comes with the Octopus Whirl Thanks for lookin:)
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.