Eurofighter Lift: Knex Roller Coaster


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How to make a eurofighter hill out of knex for knex rollercoasters. For the second half of instructions click on this link http://www.knexguninstruction.blogspot.com

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    15 Discussions

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    RNB

    9 years ago on Introduction

    I tried to make this, but my train don't hake into the chain: the chain blocks the car. Can anybody help?

    1 reply