Ball Launcher Kit. This kit includes all the necessary components needed to design and make a high speed launchpad for ping pong balls. It has enormous design and make potential for sports equipment or games - e.g. designing hopper feed and ball release systems. The kit comprises: 2 motors, 2 ring fasteners, 2 wheels, 2 tyres, 1 pre-punched plate, a ping pong ball, a battery box and snap. The motors can be run in parallel from just 2 AA batteries giving a 3 volt supply.