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Amazon.com: SEEMEY 32Pcs Power Function Kit Set Motor Battery Infrared-Remote-Control Receiver Train Adjustable Speed Motor Parts, Motor Power Change Parts Compatible with Lego Technic-Parts : Toys & Games
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Amazon.com: ASTEM 8PCS Power-Functions-Motor-Set Compatible with Lego. Speed-Remote-Control, Receiver, M/L/XL Motor, Control-Switch, Battery-Box : Toys & Games
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