Bangs and Twangs Make noise the scientific way!
You're going to love it--Now you can bang, twang, squawk, hum and toot without getting into trouble. At least, not much. Let V.C. and her robot assistant, Igor, show you how to do experiments with sound that can earn an A+ in science class. Or you can drive your parents crazy and learn cool things at the same time. Either way your have a bang-up good time!
"A fine series that will encourage enthusiastic learning." Booklist