Start practicing for the major leagues with the NERF Vortex 30 in Kids Baseball Bat and Ball Set. It is designed with an air pressurized barrel for a super-charged sweet spot to help young sluggers hit the ball. The included NERF baseball has a built-in whistle that howls as it flies. NERF Vortex 30 in Kids Baseball Bat and Ball Set Yellow - Outdoor Games at Academy Sports