This comprehensive kit includes everything you need to teach mechanical vibration and waves.
Explore transverse and longitudinal standing waves as well as the concepts of resonance and mechanical vibration. The sine wave signal generator has a large 3-digit display and is combined with the vibration generator for low- and high-frequency vibrations with a range of 1–400 Hz (1-Hz increments) and 0.01–4.00 kHz (0.01-kHz increments).
Includes:
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

O.K. so far...