This classic black t-shirt features a humorous math-themed design. The witty joke in German "Was macht ein Mathelehrer um 0.00 uhr?" above two "π π" adds a playful touch for math enthusiasts. Perfect for teachers, students, or anyone who enjoys a clever mathematical pun. Made from a comfortable-looking fabric, this tee is ideal for casual wear, classroom settings, or math club meetings. Show off your love for numbers with this unique and eye-catching t-shirt!