Ice Ball Cube Maker Mold For Cold Drinks. Crystal clear ice cube maker makes large whiskey ice balls. It’s not just a novelty, the large crystal ice ball melts and dilutes more slowly, chill your drinks quickly and keep them cold for a long time. Making them ideal for your Old Fashioned, Scotch, Bourbon, or Blended Whiskey. Great gift for dads, bosses, and any man.