Celebrate back-to-school season with this vibrant and playful t-shirt! The design features the phrase "Happy Day Of School" accented with a fun math equation and colorful graphic elements, including two math notebooks and a pencil. Perfect for teachers, students, or anyone who loves math, this tee is a great way to show your school spirit. Made from a comfortable, breathable fabric, it's ideal for wearing in the classroom or around town. Get ready to add some fun to your wardrobe with this unique and eye-catching shirt!