Sports Themed Relax Ball, Squeeze Foam Stress Balls (12 pieces) 12 assorted sports theme balls per pack. - Approximately 2.50 inches in diameter. Includes 3 basketballs, 3 baseballs, 3 tennis balls, and 3 soccer ball. Squeeze for hand exercise or stress relief, Foam balls, safe and easy to throw and catch. Great fun toy for playing indoors or outdoors. Great for parties, schools, occupation therapy, etc..