Clue One: The Golden Egg
Published on December 11, 2016
Our golden egg is from the goblet of fire, where Harry steals the golden egg from the dragon. When opened, it emits a loud, annoying shrieking sound. We cut open a tennis ball, and threaded a wire through another hole. When you open it, the light sensor activates and triggers the buzzer. You can adjust the sensitivity to change the loudness of the buzzer.