2 layer Line tracing smart carDamping balance Tank Robot Chassis Platform high power Remote Control DIY crawle shock absorption
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RM443.35
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Certification: UL,3C,ce
Theme: Occupations,Sports,Transportation,Fantasy & Sci-Fi
Age Range: 14 Years & up
Power Source: Electric
Voltage: DC 6V
Current: 120mAh
Reduction rate: Rate 48:1
RPM (W...