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My knex launched coaster.(Comment if you want instructions)
Knex Roller Coaster Stationby Knex4Life23
Kne'x Coaster "Blast Off"by Knex4Life23
K'nex Coaster "Fall Down".by Knex4Life23
Ventus - K'nex Eurofighterby RNB
Knex roller coaster: Rippin' Rocket 3by knexinventions 49
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