High-Inductance Coil Lab Supplies_Scoops & Spatulas retaining magnetic strength through repeated

retaining magnetic strength through repeated handling and storage cycles

setting UV sanitization cycle duration and restoring full cabinet function when the original switch fails under classroom use

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

and three low-friction nylon wheels for straight-line momentum experiments

heavy duty

High-Inductance Coil Lab Supplies_Scoops & Spatulas retaining magnetic strength through repeated1100 turn copper coil on a bobbin sized for a double C core, providing roughly 15 henries of inductance for AC experiments on phase, impedance, and stored magnetic energy.