Basic Botany Models Microscope Slide Set, 25-Piece Length_55mm Aluminum mounting pulley with a

Aluminum mounting pulley with a 2-inch (50mm) diameter wheel and a tapped hole sized for rods up to 13mm

Ten-pack of 6V flash-lamp bulbs on E10 miniature Edison screw bases

5-inch needle-pointed stand grips a 3/4-inch-wide bar magnet upright for hands-free study of attraction

and magnetic strength relationships

Zinc-plated rectangular steel bar-magnet pair packaged with keepers that bridge the poles in storage

Basic Botany Models Microscope Slide Set, 25-Piece Length_55mm Aluminum mounting pulley with aCross sectioned across 25 botany slides, root, stem, leaf, and flower preparations support plant anatomy and introductory botany microscopy.