Now, PowerBait Crappie Nibbles are available in glow-in-the-dark colors. PowerBait Glowing Crappie Nibbles Doughbait complements the chemoreceptive sensors provided with extra strength PowerBait with the visual stimulation of glowing colors. This is the first crappie bait to glow with the true color of the bait. The proven fish-catching attraction of Berkley PowerBait in ready-to-use sparkle nuggets is just the right size for crappie, panfish and trout.