4-wheel learning kit multi-function Bluetooth control UNO R3 DIY four-wheel smart car kit

4 x Geared motor. 4 x Tyre. 4 x Motor fixing. 2 x 255 x 160 x 3mm transparent acrylic glass plate. 1 x L298N motor driver. 1 x UNO328 controller board. 1 x sensor board. 1 x Holder kit. 1 x Steering gear. 1 x Ultrasonic module. 4 x Line inductive module. 1 x Infrared receiver module. 1 x MCU remote control. 1 x Mini breadboard. 1 x Battery holder (6 x AA / not included). 1xDC 9V Battrey holder. 1 x Bluetooth adapter. 40 x Dupont line. 1 x USB cable (100cm). 13 x Copper pillar (6 x 35mm / 7 x 6mm). 1 x 3mm screws kit. “