Plankton Collection Net with Vial Subcategory_Volumetric Flasks durable enough for repeated classroom

durable enough for repeated classroom handling

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

Five-pulley set of single 50mm low-friction plastic pulleys on open-sided steel frames

this Perspex acrylic rod gains a positive charge when rubbed with cloth

sized to deliver 6V at the high-current capacity of D cells for sustained electromagnet and motor demonstrations

Plankton Collection Net with Vial Subcategory_Volumetric Flasks durable enough for repeated classroomCollection net for aquatic plankton sampling, featuring fine mesh muslin netting, a swivel attachment, and collection vials for gathering microscopic organisms in the field.