Oxygen and Carbon Cycle Teaching Model Physics_Mechanics configurable for compound-pulley force-reduction experiments

configurable for compound-pulley force-reduction experiments

supplying the plastic-coated counterpart to bare copper for circuit wiring where exposed conductor must be avoided

Four-socket E10 lamp holder pre-wired in series on a hard-plastic base with two 4mm banana terminals

Regulated dual-output power supply showing independent LED readouts of voltage and current

Cast iron five-piece stackable slotted mass set combining a 5 kg

Oxygen and Carbon Cycle Teaching Model Physics_Mechanics configurable for compound-pulley force-reduction experimentsTraces oxygen and carbon through atmosphere, biosphere, and geosphere on a labeled diagram, illustrating the biogeochemical cycles that link them.