The iPong Topspin is the perfect training robot for beginners practicing without a partner. With quick and simple assembly, just add 6-AA batteries and get ready to play table tennis in seconds! It holds up to 110 balls and casts at an adjustable frequency ranging from 12 to 70 balls per minute. With the wired remote control, ball frequency is easily adjustable from your end of the table. Just set your own pace, and start training like a champion! Battery-powered for portability, the possibilities are endless, from playing with friends to playing solo, eliminating the need to fold up the other half the table. This simple, affordable, and fun table tennis robot brings recreational table tennis to a new and higher level of competitive play.