Laboratory Grade Crystalline Sodium Chloride, 2.5kg Grade_Laboratory Grade Twelve-part human torso model with

Twelve-part human torso model with intact head and removable organs supports combined cranial and visceral anatomy teaching at pre-college and secondary levels

Hand-cranked Van de Graaff generator with a 9

this kit makes thermal-conductivity differences visible through side-by-side ice melting

Round perspex refraction block

an object marker

Laboratory Grade Crystalline Sodium Chloride, 2.5kg Grade_Laboratory Grade Twelve-part human torso model withLarger crystal 2. 5kg of laboratory grade sodium chloride, the slower dissolving variant of the fine crystalline form for salt crystal growing demos and solubility rate experiments.