Leak-Proof Translucent LDPE Wash Bottle with Sturdy Delivery Tube, 250mL Subject_Earth Science Lab-grade phenolphthalein powder

Lab-grade phenolphthalein powder

stable Alnico fields and matching keepers across this bar-magnet pair give the classroom a reliable workhorse for ferromagnetism and pole-orientation demonstrations

sized for bigger submerged specimens in volume-by-displacement and specific-gravity work

Single-lens folding-housing magnifier with a 25mm lens delivering 4x magnification

exposing chamber interior and septal structure for entry-level cardiac teaching

Leak-Proof Translucent LDPE Wash Bottle with Sturdy Delivery Tube, 250mL Subject_Earth Science Lab-grade phenolphthalein powderTranslucent LDPE wash bottle holds 250mL with a sturdy delivery tube and leak proof screw cap for solvent dispensing in general lab workflows.