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Technical Worm Gear, 2 Module, For Gear Wheel 15pcs Compatible With Lego Technical Building Blocks Bulk Parts Kids Toys - Model Building Kits - AliExpress
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LEGO Technic NEW 12 pcs LIGHT GREY WORM AND RACK GEAR SET Screw Track Kit Part Piece Mindstorms NXT robot robotics assortment pack ev3 motor : Toys & Games
Driving newer turntable with worm gear - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
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