Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Mar 2, 2009
Order now at http://www.stevespanglerscience.com/p... Twirl this 30-inch plastic "hose" over your head at different speeds and make at least five different tones, depending on how fast you can twirl! This is a fun science activity that's also guaranteed to get your arm in shape!