Includes: UNO R3 board, USB cable, prototype extension board, mini breadboard, 5V stepper motor with driver board, LEDs (green, red and blue), sensors (vibration, flame and temperature), infrared receiver, photoresistors, key caps, key switches, piezo buzzer, tone generator, adjustable potentiometer, jumper cap, large breadboard, remote contro, screen, servos, component box, DuPont line, breadboard line, 220ohm resistor, dot matrix display, single digit 7-segment LED bar display, four digit 7-segment LED bar display, IC 74HC595, battery holder, 1K resistor, 10K resistor, 9V battery, 40-pin header, and more.