This was just an idea i had and thought "hey i could use this in a lot of new things!" i was looking at a lego universal joint and based it off that.so here you go try this in some of your models! if you have any improvements please drop me a comment and a picture i'd love to here them!!!


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More by knepic :Incredibly Simple Knex Piston Tiny Universal Joint 3 Speed Gearbox With Neutral(manual) 
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