1 x UNO R3 main board; 1 x Development board; 1 x Bread board; 5 x Green LED; 5 x Yellow LED; 5 x Red LED; 10 x 1k resistor; 10 x 10k resistor; 10 x 220ohm resistor ; 1 x 74HC595N chips; 2 x Buzzers (passive and active); 1 x 1 digital tube; 1 x 4 digital tube; 4 x Big buttons; 3 x Optical resistor; 1 x Adjustable resistor; 1 x Temperature and humidity module; 1 x LM35 sensor module; 1 x Infrared receiver; 1 x Flame sensor; 2 x Rocker switch; 1 x Mini remote control (2 x AG10 battery included); 1 x 74HC595IC shift register; 1 x 1602 LED; 1 x Step motor(24cm/5V); 1 x ULM2003 drive board; 1 x 9g Sero(25cm); 1 x 9V battery buckle (17cm); 1 x 9V Battery; 30 x Bread board cable (19cm); 1 x USB cable (50cm)