O2 HockeyWARNING: CHOKING HAZARD Small Parts. Not for children under 3 years. The table sport game features hovering puck that floats on a cushion of air that can play on any smooth surface. Properly hold the mallet, try to hit the puck against another player's net! Are you ready to play? Game on! It's a full sized air hockey set which comes with two goal sets, two nets, an adjustable border, and an electronic air puck. Set up the game space on any