Aluminum Leslie's Cube, 10 cm Sides Meters_Electrical and major vessels of the

and major vessels of the human heart

Metal spouting cylinder with multiple outlet holes at different heights

this ball bearing roller coaster kit demonstrates potential and kinetic energy conversion plus forces and motion concepts

alternative fuel synthesis

Class-pack of economy handheld spectroscopes fitted with a rotating slit cap and internal diffraction grating for identifying constituent wavelengths in visible light sources

Aluminum Leslie's Cube, 10 cm Sides Meters_Electrical and major vessels of theDemonstrates how surface finish affects thermal radiation, comparing the blackened, roughened, varnished, and polished faces of a water heated metal cube with an infrared sensor.