Exercise ball a chair because of ergonomic considerations or biomechanical reasons. This large plastic ball, known as a "birth ball", can also be used during labour to aid the descent of the fetal head into the pelvis. Sitting in an upright position will also aid fetal positioning and is more comfortable for the woman. Sitting on the ball with arms placed on a bed, table or otherwise sturdy object for support and gently rocking the hips may help the woman during contractions and aid the natural physiological process of birth. Exercise ball An exercise ball, also known as a Swiss Ball, is
Magic 8-Ball Magic 8-Ball The Magic 8-Ball is a toy used for fortune-telling or seeking advice, developed in the 1950s and manufactured by Mattel. The user asks a question to the large plastic ball, then turns it over to reveal a written answer which appears on the surface of the toy. An 8-ball was used as a fortune-telling device in the 1940 Three Stooges short, "You Nazty Spy!", and called a "magic ball". While Magic 8-Ball did not exist in its current form until 1950, the functional component was invented by Albert C. Carter, inspired by a spirit writing device used by