The pitch and duration of sound can't be measured on this sand ornament, but it is sure to please the music lover in your life. Made with REAL SAND, it is a one-of-a-kind three-dimensional Musical Note Sand Ornament. Attached is a tag indicating that is “handcrafted with sand” as well as “Made in Florida-USA”. Great idea for your child's music teach gift or the musician in your life. Plus . . . FREE SHIPPING!!!