Practicing ping pong on your own is not ideal. The JT-A Ping Pong Robot can help: it serves as your practice partner. It can handle 300 table tennis balls. It has a remote control panel for adjusting frequency and spin. This machine can serve 9 kinds of spinning balls (topspin, backspin, …).
You can adjust the angle of this robot to meet your training needs. A ball catching net is included to save you time.