Lens Set with Supports, 42mm Diameter Biology_Microscopy sized for elementary lessons on

sized for elementary lessons on area

producing water jets of varying distances to show how pressure increases with depth in hydrostatics

providing the cleanest hand-operated way to make and break a circuit during early electricity instruction with stackable modules

Aepinus capacitor with adjustable plates demonstrates electrostatic principles

Premium gyroscope and gimbal cradle on a wooden base

Lens Set with Supports, 42mm Diameter Biology_Microscopy sized for elementary lessons onLens set at 42mm diameter shipped with matching wooden supports, the fixed mounts steadying each lens for repeatable refraction and image formation experiments at student station scale.