Basic Botany Models Microscope Slide Set, 25-Piece Length_55mm Pairs a 50mm length with

Pairs a 50mm length with 25mm faces on a polished acrylic equilateral prism

Adjustable flash-frequency control across this improved stroboscope lets students isolate periodic motion from rotating machinery

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

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

and 38mm lens holder - an inexpensive starter platform for image-formation experiments

Basic Botany Models Microscope Slide Set, 25-Piece Length_55mm Pairs a 50mm length withCross sectioned across 25 botany slides, root, stem, leaf, and flower preparations support plant anatomy and introductory botany microscopy.