All About Sound Hands-On Activity Kit by RAFT and the Exploratorium $ 19.95
... This kit includes the following activities
the buzz about
Give this little noisemaker a whirl to learn about
the effects of air passing over a taut rubber band. As it ... be changed? Experiment to find the answers!
Vibrations in the air create sound!
People of all
ages love the razzy, jazzy Kazoo sounds that come from this fun-to-make and ...