Don't let the dark of night keep you from finding your golf ball on the course, just use these cool new Lumiballs. These innovative, high-performance golf balls are not only the official size and weight, they have built-in LEDs that illuminate the ball for 8 minutes upon impact. The only downside is that golf courses usually close at night. They come in pack of 3 in assorted colors.
Lumiball - LED Lighted Golf Balls