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1PCS DC 1.5V-3V Double Vibration Head Precision Vibration Electronic Starter Ultra-Micro Rotor Vibration Electronic Starter Vibrator for Toy Motor Drivers
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Reduction Ratio 1:26 Ultra-mini 6MM Planetary Gear Electronic Starter DC 3V 1200RPM Coreless Geared Electronic Starter Gearbox DIY Car/Robot Motor Drivers
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