US$ 23.99
Used to test how mass per length controls pitch
and root development across successive stages for dicot germination teaching
Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input
mounted to a total length of 4
LPG Bunsen burner with an anti-tip cast iron base and adjustable air flow
Carbon Plates for Simple Cells Material_Aluminum Used to test how massCarbon plate with 4mm socket terminals for the simple cell apparatus, providing an inert electrode that lets students isolate electrolyte and ion behavior from electrode chemistry.