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this is an other project i told knex gun builder about so i thought i should post it. all the steps are on one page =) =0
knex wagner tubaby Tuba man8175
knex euphoniumby Tuba man8175
knex double bassby Tuba man8175
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
knex ballby nattay
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