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Hi builders, this is why I haven't been posting for a while now. It's my first Knex roller coaster has a huge 3 foot loop and a big ...
Knex Rippin' Rocket 2 Instructionsby knexinventions 49
My Knex roller coasterby nm28431
Challenge: Coasterby NPTechman
Knex speed car looperby nm28431
Loop. A knex roller coasterby hi1
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