Discover the physics of music with these new and improved plastic tubes! As you twirl them at different speeds you will hear different pitches and can even harmonize with other students in a full major chord (1-3-5-8).
Also, a student can sing into one end of the tube and put the other end to his ear to focus on singing in tune. 30".
Choose from these options:
- Single Tube (1024)
- Box of 48 Tubes (26153)