Steel Ball Bearings, 10mm, 10-Pack Foodsafe the bulky triangular geometry handling

the bulky triangular geometry handling wider beams for total internal reflection

Greatly magnified transverse dicot stem model on a mounted base exposes vascular bundle arrangement and primary tissue layers for advanced botany teaching

micrometer

giving students a continuously variable aperture for diffraction and spectroscopy work

used to map field lines around bar magnets and solenoids

Steel Ball Bearings, 10mm, 10-Pack Foodsafe the bulky triangular geometry handlingTen pack of 10mm steel ball bearings sized for roller coaster simulations, ballistic pendulums, and momentum collision setups where a mid size projectile is needed.