Elegoo EL-KIT-004 UNO Project Basic Starter Kit with Tutorial and UNO R3 for Arduino The cheapest and most basic Arduino kit for the beginner Free PDF tutorial including project introduction and code will be provided, you can save a lot of time searching them With the newest uno R3 development board + usb cable and all the basic components Nice package in the box with clear listing and CD 100% compatible with Arduino UNO R3, MEGA 2560 R3, NANO, Arduino kit