Restless Earth Geology Teaching Model Light & Optics_Color sized to drop straight into

sized to drop straight into the student electrolyzer without rewiring for inert-electrode investigations of water decomposition

Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference

5m of twin flex for connection to mains-grade optical-bench setups

and reproductive systems for amphibian anatomy teaching

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

Restless Earth Geology Teaching Model Light & Optics_Color sized to drop straight intoWall mountable Earth dynamics model depicting sea floor spreading, subduction zones, continental interiors, and mid ocean ridges, each structure individually labeled for plate tectonics units.