Swax Lax lacrosse training balls are the first and only soft lacrosse ball that are the same size and weight as a regulation ball. The Swax Lax practice ball was developed by a longtime lacrosse coach and has been field tested by boys and girls in kindergarten through men’s and women’s college lacrosse teams.Swax Lax balls come in many colors, including several limited-edition prints. Add one to your cart today.