One player mode : four difficulty levels, to select a level hold one of the move buttons then press RESTART. Two player mode : press RESTART. Press both move buttons to "smash" or to start serve. Only the server can score points.
MK121 will remind you of the original Pong game after you hook it up to your TV.
Video and audio output
Auto power off
Power supply: 3 1.5V AA batteries (NOT included)
Dimensions: 2.9 x 5.5"