Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies Twelve removable organs expose thoracic

Twelve removable organs expose thoracic and abdominal anatomy in a headless torso format

and burners over Bunsen flames and heating apparatus in chemistry labs

Stabilizer-free Bunsen burner runs on liquid propane or butane for routine chemistry heating at the laboratory bench

Combines detailed cranial anatomy with a removable life-size brain

Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies Twelve removable organs expose thoracicSingle pole double throw knife switch mounted on a 4mm terminal base, letting students reroute a modular circuit between two branches without touching unmounted components.