1 x 5V Stepper motor (24cm) 1 x 5V Stepper motor drive board 1 x 1602 LCD screen 1 x RGB LED module 10 x Big keys 5 x Small keys 1 x Breadboard / module 1 x Water level sensor 65 x Bread cables 1 x IR receiver 1 x LM35 temperature sensor 1 x Flame sensor probe 1 x Mercury switch 1 x Photoresistor 1 x RFID borad 1 x Keyring 1 x 8pin header 1 x 5K Adjustable potentiometer 1 x HHC servo 1 x SR04 ultrasound board 1 x 4-digit display 2 x 1-digit display 1 x Matrix (8 x 8) 6 x White LEDs 10 x Yellow LEDs 10 x Green LEDs 10 x Red LEDs 1 x Black joystick cap 1 x White card 1 x USB cable (52cm) 1 x Active buzzer 1 x Positive buzzer 1 x 10K Adjustable potentiometer 1 x MAX7219 IC 1 x 9g servo (23cm) 1 x 5V relay 1 x 40pin header 1 x 40pin bend header 10 x Female to female dupont cable (21cm) 1 x 830-hole breadboard 1 x 6-slot AA battery holder (15cm) 1 x 595 IC 1 x Key (4 x 4) 5 x 1Kohm resistors 5 x 10Kohm resistors 8 x 220ohm resistors