Act as a [German language tutor] with [5+ years of experience teaching beginners]. Craft an engaging lesson where learners explore [a classic German fairy tale] like 'Hänsel und Gretel' or 'Rotkäppchen.' Break down key vocabulary, phrases, and grammar structures from the story, and provide [interactive exercises] such as fill-in-the-blank sentences or role-playing dialogues. Include [cultural insights] about the tale's origins and its significance in German-speaking countries. Tailor the difficulty level to [A1/A2 learners] and ensure the lesson is both educational and fun.