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This set of gears can bring out your inner inventor in an instant! A wide variety of gears are included in this package, all containing guide-holes for you to easily use to build the ultimate robot or invention.
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9 kind of Spindle gear
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11 kind of Crown gear
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12 kind of Single gear
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19 kind of Double gear
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7 kind of Belt pulley
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2 kind of Worm gear
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2pcs Connect rack
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1pc Tee Axle Sleeve
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1pc Bevel gear
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