The invention relates to a training device for training a person who uses the training device in a type of ball sport, said device having at least two ball receivers (11), which face the user and are intended to interact with a ball, and at least two ball dispensers (11) for conveying a ball to the user. The invention provides at least one optical and/or acoustic signal transmitter which, by emitting an optical and/or acoustic signal, indicates one of the ball receivers (11) to the user as the selected target for interacting with a ball conveyed to the user by one of the ball dispensers (11).