“DIY 4-Wheel Smart Car Chassis Kit 4WD Robot Car Chassis Platform Smart Car Chassis Kit Line Follower Robot Chassis Easy To Assemble 4-wheel Robot Car Kit” has been added to your cart. View cart
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30mm Long 6mm Hex Wheel Coupling For Robot Smart Car Motor Shaft Adapter 
DIY 4-Wheel Smart Car Chassis Kit 4WD Robot Car Chassis Platform Smart Car Chassis Kit Line Follower Robot Chassis Easy To Assemble 4-wheel Robot Car Kit