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A small Clip on Light Flashes 1 interrupter Christmas Light 1 9volt Battery Some Wire And Knex
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Knex Ball Machine Element: Mouse Headby Thibault Art
K'nex Walle-Eby chinnybeer
Customized K'nex Motor: More Powerful and Fasterby HamenChips
Knex 'Mouse Wheel' Ball Machine Liftby TheFoofinator
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