Here is another ping pong robot that gives you plenty of practice. The Practice Partner 20 can produce topspin, backspin, and sidespin shots. You can change the position of the robot to try different angles and trajectories. This robot fits all ping pong tables.
The Practice Partner 20 can produce 25-80 balls per minute and has 9 settings. You can fix balls to land in one location or rotate between two locations. The ball hopper can hold around 200 balls.