The Heater Pitching Machines are approved for little league. These machines are great for many different training drills. Heater  Pitching Machines consist of pitching machines that pitch baseballs, softballs, and a combination of baseballs and softballs.  They pitch from fast balls only to a combination of fast balls, curveballs, and sliders.  All the Heater Pitching Machines  are very affordable.