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Hope u like

Step 1: Making It

1 what you need 2 add tin clip to yellow rod 3 add red gear and done
<p>I like its simplicity!</p><p>I made it with a roller coaster gear</p>
Simple yet effective :)
You could also use a pencil sharpener to sharpen the yellow rod in order to make it work better :)

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Bio: Hey I like knex if you follow me I will follow u back.
More by chipalip100:knex like human guy Knex top Knex gun v2 
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