Quantity   Component name
2 × Arduino Nano
10 × Ultra Blue Leds Electronic Components / Misc. Electronic Components
10 × Resistors 330 Ohms
3 × Resistors 4.7 k Ohms
1 × O-Led Screen
1 × Knock and Shock Sensor
3 × Push-buttons
2 × Mini Perfboards
2 × Usb Cables