Basic Adjustable Pulley Clamp Material_LDPE used to map the circular

used to map the circular field around a current-carrying wire and confirm the right-hand rule

fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction

Wear-replacement timer switch for the goggle sanitizer cabinet

sized for two-cell battery-pack circuits and the standard ray-box and panel-lamp apparatus

across 16 removable parts in an 18-inch female half-size model

Basic Adjustable Pulley Clamp Material_LDPE used to map the circularNylon ball bearing adjustable clamp pulley supporting low friction rotation across varied rod and stand mounts, a flexible mounting option for pulley and force demonstrations.