Home Wholesale Promo 4WD DIY Smart Chassis Car Kit For with UNO R3 + Ultrasonic Module+Motor drive board/3-6v TT Motor Wholesale - January 08, 2020 Discount Promo 4WD DIY Smart Chassis Car Kit For with UNO R3 + Ultrasonic Module+Motor drive board/3-6v TT Motor with FREE Worldwide Shipping! Rating : / 4.77 US$36.75 Original Price: US$38.14 Buy on Banggood Product Description SHARE ON Twitter Facebook Whatsapp Pinterest Tags Wholesale