Important Tips: This kit is loose pieces, you need to assemble it yourself. Lessons: 0001 Adjust the initial angle of the servo 0002 Assemble 001 Introduction Raspberry Pi Pico 002 About Pico Robot Expansion Board 003 Configure Pico operating environment 01 Blink LED 02 Buzzer 03 Servo Motor 04 Measure Distance 05 WS2812 RGB LED 06 How to Control a DC Motor 07 Line Tracking 08 How to use IR receiver and IR remote 09 OLED Display 10 View Raspberry Pi Pico Information 11 IR Remote Control Car 12 Obstacle Avoidance 13 Line Tracking 14 Follow 15 Comprehensive Function Package List: 1 Set Structure Parts(Acrylic） 1x Raspberry Pi Pico(Pins Pre-soldered) 1x Pico Robot Expansion Board 1x 0.96" OLED Display Module 1x Ultrasonic Module 1x 3CH Line Tracking Module 1x ESP8266(ESP-01) Module 1x IR Remote Control 2x TT Motor 2x Front Wheel 2x Rear Wheel 3x AD002 Servo Motor 4x F624ZZ Bearing 4x F687ZZ Bearing 1x Battery Holder 1x Micro USB Cable Other Necessary Accessories(Cables, Nuts, Screws, Copper Standoffs, Nylon Standoffs, Tools, etc.)