Enhanced Optical Bench Set with Lamp Housing Item Type_Net and horseshoe magnet that swap

and horseshoe magnet that swap by hand

and chewing mechanisms in health coursework

Rotary-knob resistance substitution board offering twelve discrete values from 33 ohms to 10M ohms with 4mm lead connections

sized for finer-gauge resistance demonstrations and small-scale heating elements where the heavier gauges would over-deliver current

shipped with 100 discs and a tape roll in a clamping-plate-ready case

Enhanced Optical Bench Set with Lamp Housing Item Type_Net and horseshoe magnet that swapDesigned for comprehensive lens, mirror, and image formation experiments, this enhanced optical bench set ships with a lamp housing and a matched complement of optical components.