Replacement Flexible Tubing for Resonance Apparatus Gifts exposing every wire and hammer

exposing every wire and hammer so students trace the bell's electromagnetic action

or similar

Basic 15-slide set pairs common plant and animal tissue preparations for short-unit microscopy coursework in middle school and early high school

sized to fit standard optical-bench lamp houses and stocked together so a burned-out lamp does not stall an experiment

and acceleration components

Replacement Flexible Tubing for Resonance Apparatus Gifts exposing every wire and hammerFlexible 1000mm length with an 8mm inner and 11mm outer diameter, capped at one end with a plastic fitting that mates to the PH0720 resonance tube as a drop in replacement.