This German-language classroom poster helps students clearly understand and differentiate Selbstlaute (vowels), Mitlaute (consonants), Umlaute (Ä, Ö, Ü), and Zwielaute (diphthongs: AU, EI, EU, ÄU). Designed for beginner learners, it provides simple explanations, visual examples, and child-friendly structure—perfect for display or as a reference sheet in class or at home. 📋 What’s Included 1 Classroom Poster / Reference Sheet (PDF + PNG) Covers: Vowels (Selbstlaute): A, E, I, O, U with sim