Here is a robot goalkeeper with AI capable of giving people a tough practice and stopping balls up to 235kph. iRoboGoalie comes with speed and trajectory display to give players feedback. It tracks ball path in 3D and detects only the balls targeting it. It has 3 levels for you to choose from.
The iRoboGoalie can be installed indoors and outside. It can sense the level of each player to adjust its level.