KidWind Nacelle, includes the KidWind Nacelle and the Motor Mount Pack, 2 Nacelle body halves, Motor Mount Pack, Recommended for College and High School
Resonance Bowl (Chinese Spouting Bowl) 15in diameter with a Teacher Guide.Due to the vibrations caused by the rubbing of the handles, the water surface begins to ripple around the rim.Soon water drops shoot up quickly becoming continuous streams called standing wave.
Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again