Here's an exciting, buzzing sound toy for younger and older children. You'll get everything you'll need (including masking tape) to create this popular toy. Among other things, children learn that the vibrating band must be unobstructed or sound will not be produced. Your own variables could allow children to conduct experiments on the changes in the sound that is produced. Great for exploring the properties of vibration, sound, the properties of air and the scientific process, What's the Buzz? can also be used to teach some principles of flight stabilization.Each kit comes complete with an instruction booklet including concept explanations and teaching suggestions. WHAT'S THE BUZZ? Kit......................$3.95 ea.