Drilled Steel Pendulum Ball, 3/4" Type_Low Form 110 ohms at 1-ohm resolution

110 ohms at 1-ohm resolution

Autoclavable polypropylene test tube stand holding six 25-mm tubes with six drying pins on the back

Handmade wooden spice rack holds twelve 6-inch borosilicate glass test tubes with caps and includes a filling funnel for kitchen-to-lab cross-over gifting

One hundred numbered slots in a hardwood storage box hold standard microscope slides for ordered reference and classroom slide-library organization

Nylon ball-bearing pulley with a bench-clamp fitting for edge-mounting on a worktable

Drilled Steel Pendulum Ball, 3/4" Type_Low Form 110 ohms at 1-ohm resolutionDrilled 3 4 inch steel ball with an approximately 2. 5mm hole for string suspension, providing a high density bob for pendulum and collision momentum student investigations.