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Hi there! I invented my first Knex ball machine lift! This is just the prototype, but I'll modify it. I WILL NOT post!
SkyRush - A K'Nex Roller Coasterby KNEXnCoding
Connected Arm Lift, Sandroknexmaster's knex lift.by knex dude 2000
Knex Firestorm Freefall Coasterby knexboy586
How to make a knex roller coasterby hi1
K'nex Roller Coaster: Twisted Steelby Coasterman345.
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