Pufnstuf

Jimmy runs away to be by himself after a bad day at school. He takes his flute down by the sea to relax. When he lays the flute down it becomes alive. (Turns to solid gold with diamond studs). Plotting to steal is a witch named Witchiepoo. Jimmy hops aboard a beautiful magic talking board that wants to take him out to sea. But the boat actually belongs to the Witch... who turns the boat back into a black evil craft meant to trap Jimmy and bring him to her. (imdb)