This may look like just an ordinary tube that could be used to store a golf club but in reality it is much more. This is an electrically charged resonance tube. Not only can it be used to study the wavelength of a sound wave. It also can be used in the study of static electricity not to mention that it is also great for storing those golf clubs. The black plastic tube is approximately 34" in length and is sure to be an economic source of learning.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.