Component listing: 1pcs UNO R3 1pcs USB cable 1pcs V5.0 extension board V2.0 1pcs L298N motor driver board V2.0 1pcs ultrasonic Sensor 1pcs ultrasonic holder 1pcs servo motor 1pcs IR receiver 3pcs line tracking module 4pcs motor 1pcs remote 1pcs charger 1pcs cell box 2pcs 18650 battery 2pcs acrylic 4pcs wheel 57pcs screws 37pcs...