Melody Measuring Ruler

Elevate your classroom experience by honing your musical talents with the innovative melody ruler. Not only does it measure inches and centimeters, but it also features an array of musical notes for your auditory delight. Simply glide your finger over the note of your choice and give the end of the ruler a gentle flick to produce enchanting melodies. It's the perfect blend of education and entertainment, ensuring that you can master your math skills while serenading your classmates. Whether you're in study mode or trying to impress your friends, this ruler transforms any dull moment into a symphony of sound. So, why settle for an ordinary ruler when you can have one that sings?