Quantity   Component name
1 × Arduino Pro Mini 5v 5v version is better here as the relay modules need 5v to activate
2 × 5v Relay Module Readily available online via ebay etc
1 × Push Button Any normally open switch will do here
1 × 10k ohm resistor Used as a pull up for the button input
1 × Piezo speaker Used to play the tones
1 × Red Lamp Activated via a relay module
1 × Green Lamp Activated via a relay module