2 in 1 Baseball Tee: Kids can start out using the tee attachment for practice and learning to swing, and with a little practice switch the pop-a-pitch pitching machine to practice hitting a moving ball How to play: Either Use the traditional tee and swing away, or remove the tee attachment to reveal the pop up trainer. Simply step on home plate to set the pitch, then pop the pitch using by stepping on the 1st or 3rd base buttons Made for all hitters: The pop-a-pitch works for both left and right handed hitters with pitch buttons on both sides of the plate. Plus the tee height adjusts from 21" - 25" To accommodate for hitters of all sizes Full set included: This set comes with the pop-a-pitch machine with tee attachment, (1) collapsible 22" Plastic Baseball bat, and (3) plastic aero-strike baseballs so you have everything you need Mlb official: this pitching machine is an official licensed product of the MLB to help young kids learn to hit and play like their favorite MLB pros