Пороро И Волшебная Дудочка

More about the book

"Loopy and Eddy are frightened by the story of a horrible monster that kidnaps bad children and it's magic pipe. They promise themselves to be good kids. But that night when they go to bed, they hear a scary sound of a pipe and see a dark shadow popping out of the window. Eddy and Loopy rush to Poby to tell this, and find that it was Pororo and Crong's doing..." -- pororo.wikia.com