2mm Connecting Lead, Model I Subcategory_Wash Bottles rated for student circuit construction

rated for student circuit construction and series-parallel investigations where junction-voltage and current-limiting concepts get introduced

plus a removal tool in a 4-compartment storage box

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

and 400 ppm

and visceral organs in a combined lab-ready model

2mm Connecting Lead, Model I Subcategory_Wash Bottles rated for student circuit constructionCompact 300mm black lead with a 2mm banana plug at one end and a crocodile clip at the other, sized for fine pitch breadboard work where 4mm hardware is too large for the apparatus.