The Berger bell foundry produces a variety of genuine Swiss bells: cow bells, horse bells, goat bells, sheep bells and gift bells. Bronze bells are produced in the traditional manner according to grandfather's recipe with a lot of love. Imagine, every sand mould is destroyed with the birth of the bell. Each bell is unique and one of a kind in the world. The alloy of the classic bronze bell consists of 20% tin and 80% copper. The exact recipe is top secret and has been handed down orally for generations.