Once in a Blue Moon Idiom Design English Learning パーカ

Bring fun and learning together with this charming “Once in a Blue Moon” idiom illustration! Perfect for English learners, teachers, and anyone who loves educational art, this design features a cute cartoon moon with stylish typography. Ideal for notebooks, stickers, posters, flashcards, or classroom décor. Add a playful touch to your ESL content, school supplies, or language-learning gifts with this eye-catching and memorable idiom artwork.