Collapsible Metal Can Demonstration Kit with Vacuum Pump Activity Kits_Physics Diatom model displays the silica

Diatom model displays the silica frustule architecture and intricate valve patterning characteristic of these unicellular algae for aquatic biology teaching

Bare 14 SWG copper wire on a 500g reel approximating 50 feet

and larynx model shows the full upper respiratory-cardiac anatomy in anatomical position for teaching pulmonary and cardiovascular systems

supporting pregnancy biology and prenatal-care teaching in health courses

Mid-length 750mm red insulated lead with a 4mm banana plug at one end and a crocodile clip at the other

Collapsible Metal Can Demonstration Kit with Vacuum Pump Activity Kits_Physics Diatom model displays the silicaFull collapsible can kit with a metal can, handheld vacuum pump, stopper, and hose fitting, demonstrating atmospheric pressure as the can implodes under evacuation.