Introduction: Knex Roller Coaster Lift

Picture of Knex Roller Coaster Lift

Hi there! I invented my first Knex ball machine lift! This is just the prototype, but I'll modify it. I WILL NOT post!


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Bio: Hi! I'm knexinventions 49, a kid who loves to build, program, inspect element, play, and more. As my username suggests, most of my 'ibles ... More »
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