A glass ball of bolts of lighteningenjoy the electrifying display of the classic plasma ball in your own homeyou will remember this retro classic from the 1980s and its popularity has not dwindled in fact the plasma ball is having a revival in a big waythis 6 inch 15cm electrical storm looks great almost anywhere as decorative lighting and is loads of fun for kids and adults alike when the globe is touched electromagnetic plasma streamers are attracted from the inner ball to your hand