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34 Kinds of Rack and Pinion Gear Bag Toy Model Pulley Plastic Worm Gear Reducer DIY Kit

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$7.28

$ 2 .99 $2.99

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  • 34 Kinds Of Rack And Pinion Gear Bag Toy Model Pulley Plastic Worm Gear Reducer Diy Kit



34PCS a lot,Plastic gear,rack, pulley, belt,Worm gear,Single-and double-gear,8-56 teeth