However , the battery only had a 10 minute lifespan , so at least 50 FoxTrax pucks were produced before each game .
The two halves were sealed with epoxy and the puck could be used for game - play .
The battery only had a 10 minute lifespan , so at least 50 FoxTrax pucks were produced before each game .
The two halves were sealed with epoxy and the puck could be used for game - play .