buzzer

buzzer - noun

a push button at an outer door that gives a ringing or buzzing signal when pushed

a signaling device that makes a buzzing sound

buzzer - thesaurus

Scrabble score = 26

generated at 20:27:55 on 18-02-25

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington