Croquet, motorboating and boules satisfied three criteria (all had only French players). It is related to bowls, boules and shuffleboard. Kampong features field hockey, association football, cricket, tennis, squash and boules. The Hounds, tennis, football and boules clubs operate year-round, under floodlights where appropriate. Prince Bertil was a keen supporter and practitioner of various sports, notably tennis and boules. The cylindrical boules are then cut into wafers for further processing. Gallic tribes, which were introduced to boules by the Romans, used wooden boules. Seemingly by coincidence, the central areas are commonly used for playing games with boules. As the semiconductor industry moved to ever-larger boules, older equipment became inexpensive. The first steel boules were introduced in 1927. The record has since been surpassed by certain synthetic boules. All proceeds from the Boules event directly benefit humanitarian organisation, FilmAid international. Early on, boules were small, a few cm wide. The boules are transparent when pure and defect-free and are orange otherwise. Later Boules were held in many locations across the United States.