Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection Six replacement gold leaves cut

Six replacement gold leaves cut to fit the standard gold-leaf electroscope

Student pulley demonstration set with a range of pulleys for mechanical-advantage and force-multiplication comparisons

Miniature desktop torso with 12 removable parts includes a dissectable head and brain for compact classroom anatomy and biology teaching

and resonance through a 6V motor driving cams and spring actuators across four springs and two hanging masses on a 19-inch frame

this 4-inch catch bucket with handle collects water displaced by submerged objects

Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Entomology & Zoology_Dissection Six replacement gold leaves cutSafety thistle funnel in borosilicate glass measures 30cm with bend and safety bulb for pressure release during controlled liquid addition.