Alnico Cylindrical Magnet, 75 x 10mm Botany_Botany Charts & Models with adjustable slit and draw-out

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

Glass tube 33 inches long with a cork piston riding on a stable wooden base

5-inch compact and the 5

Trapezoidal acrylic prism with 89mm and 40mm parallel bases plus 47mm and 35mm angled faces

Demonstrates the full light-to-electricity-to-motion chain through a solar cell

Alnico Cylindrical Magnet, 75 x 10mm Botany_Botany Charts & Models with adjustable slit and draw-outPainted red and blue along their lengths to mark north and south poles, this 75 x 10mm Alnico cylinder pair ships with a spacer and keepers in a cardboard storage box.