Learning Resources Answer Buzzers (Set of 12). These fun, colourful buzzers turn any activity into a game while keeping even the youngest children engaged! Set includes 12 brightly coloured buzzers in four different colours (blue, pink, green and orange). Buzzer sounds include honking horn, boxing bell, doorbell and boing! Buzzers measure 9cm in diameter. Each Answer Buzzer requires 2 AAA batteries (included). Suitable for ages 3+