Knex Roller Coaster - Jetscream

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    14 Discussions

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    MichelleA146

    1 year ago

    Please put in step by step instructions please please

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    poncho513

    3 years ago

    You should make an instructable of this. It wouldn't be too hard.

    why fishes????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

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    Tornado96

    8 years ago on Introduction

    Awesome! First backwards coaster. Very simple. I like it.